398811900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 288

約数和(自身を含む): 1308805120

約数和(自身を除く): 909993220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 31, 37, 38, 50, 57, 60, 61, 62, 74, 75, 76, 93, 95, 100, 111, 114, 122, 124, 148, 150, 155, 183, 185, 186, 190, 222, 228, 244, 285, 300, 305, 310, 366, 370, 372, 380, 444, 465, 475, 555, 570, 589, 610, 620, 703, 732, 740, 775, 915, 925, 930, 950, 1110, 1140, 1147, 1159, 1178, 1220, 1406, 1425, 1525, 1550, 1767, 1830, 1850, 1860, 1891, 1900, 2109, 2220, 2257, 2294, 2318, 2325, 2356, 2775, 2812, 2850, 2945, 3050, 3100, 3441, 3477, 3515, 3534, 3660, 3700, 3782, 4218, 4514, 4575, 4588, 4636, 4650, 5550, 5673, 5700, 5735, 5795, 5890, 6100, 6771, 6882, 6954, 7030, 7068, 7564, 8436, 8835, 9028, 9150, 9300, 9455, 10545, 11100, 11285, 11346, 11470, 11590, 11780, 13542, 13764, 13908, 14060, 14725, 17205, 17385, 17575, 17670, 18300, 18910, 21090, 21793, 22570, 22692, 22940, 23180, 27084, 28365, 28675, 28975, 29450, 33855, 34410, 34770, 35150, 35340, 35929, 37820, 42180, 42883, 43586, 44175, 45140, 47275, 52725, 56425, 56730, 57350, 57950, 58900, 65379, 67710, 68820, 69540, 69967, 70300, 71858, 85766, 86025, 86925, 87172, 88350, 94550, 105450, 107787, 108965, 112850, 113460, 114700, 115900, 128649, 130758, 135420, 139934, 141825, 143716, 169275, 171532, 172050, 173850, 176700, 179645, 189100, 209901, 210900, 214415, 215574, 217930, 225700, 257298, 261516, 279868, 283650, 326895, 338550, 344100, 347700, 349835, 359290, 419802, 428830, 431148, 435860, 514596, 538935, 544825, 567300, 643245, 653790, 677100, 699670, 718580, 839604, 857660, 898225, 1049505, 1072075, 1077870, 1089650, 1286490, 1307580, 1329373, 1399340, 1634475, 1749175, 1796450, 2099010, 2144150, 2155740, 2179300, 2572980, 2658746, 2694675, 3216225, 3268950, 3498350, 3592900, 3988119, 4198020, 4288300, 5247525, 5317492, 5389350, 6432450, 6537900, 6646865, 6996700, 7976238, 10495050, 10778700, 12864900, 13293730, 15952476, 19940595, 20990100, 26587460, 33234325, 39881190, 66468650, 79762380, 99702975, 132937300, 199405950, 398811900]

約数ペア:

[(1, 398811900), (2, 199405950), (3, 132937300), (4, 99702975), (5, 79762380), (6, 66468650), (10, 39881190), (12, 33234325), (15, 26587460), (19, 20990100), (20, 19940595), (25, 15952476), (30, 13293730), (31, 12864900), (37, 10778700), (38, 10495050), (50, 7976238), (57, 6996700), (60, 6646865), (61, 6537900), (62, 6432450), (74, 5389350), (75, 5317492), (76, 5247525), (93, 4288300), (95, 4198020), (100, 3988119), (111, 3592900), (114, 3498350), (122, 3268950), (124, 3216225), (148, 2694675), (150, 2658746), (155, 2572980), (183, 2179300), (185, 2155740), (186, 2144150), (190, 2099010), (222, 1796450), (228, 1749175), (244, 1634475), (285, 1399340), (300, 1329373), (305, 1307580), (310, 1286490), (366, 1089650), (370, 1077870), (372, 1072075), (380, 1049505), (444, 898225), (465, 857660), (475, 839604), (555, 718580), (570, 699670), (589, 677100), (610, 653790), (620, 643245), (703, 567300), (732, 544825), (740, 538935), (775, 514596), (915, 435860), (925, 431148), (930, 428830), (950, 419802), (1110, 359290), (1140, 349835), (1147, 347700), (1159, 344100), (1178, 338550), (1220, 326895), (1406, 283650), (1425, 279868), (1525, 261516), (1550, 257298), (1767, 225700), (1830, 217930), (1850, 215574), (1860, 214415), (1891, 210900), (1900, 209901), (2109, 189100), (2220, 179645), (2257, 176700), (2294, 173850), (2318, 172050), (2325, 171532), (2356, 169275), (2775, 143716), (2812, 141825), (2850, 139934), (2945, 135420), (3050, 130758), (3100, 128649), (3441, 115900), (3477, 114700), (3515, 113460), (3534, 112850), (3660, 108965), (3700, 107787), (3782, 105450), (4218, 94550), (4514, 88350), (4575, 87172), (4588, 86925), (4636, 86025), (4650, 85766), (5550, 71858), (5673, 70300), (5700, 69967), (5735, 69540), (5795, 68820), (5890, 67710), (6100, 65379), (6771, 58900), (6882, 57950), (6954, 57350), (7030, 56730), (7068, 56425), (7564, 52725), (8436, 47275), (8835, 45140), (9028, 44175), (9150, 43586), (9300, 42883), (9455, 42180), (10545, 37820), (11100, 35929), (11285, 35340), (11346, 35150), (11470, 34770), (11590, 34410), (11780, 33855), (13542, 29450), (13764, 28975), (13908, 28675), (14060, 28365), (14725, 27084), (17205, 23180), (17385, 22940), (17575, 22692), (17670, 22570), (18300, 21793), (18910, 21090)]