438191820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 288

約数和(自身を含む): 1534740480

約数和(自身を除く): 1096548660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 59, 60, 62, 66, 90, 93, 99, 110, 118, 121, 124, 132, 155, 165, 177, 180, 186, 198, 220, 236, 242, 279, 295, 310, 330, 341, 354, 363, 372, 396, 465, 484, 495, 531, 558, 590, 605, 620, 649, 660, 682, 708, 726, 885, 930, 990, 1023, 1062, 1089, 1116, 1180, 1210, 1298, 1331, 1364, 1395, 1452, 1705, 1770, 1815, 1829, 1860, 1947, 1980, 2046, 2124, 2178, 2420, 2596, 2655, 2662, 2790, 3069, 3245, 3410, 3540, 3630, 3658, 3751, 3894, 3993, 4092, 4356, 5115, 5310, 5324, 5445, 5487, 5580, 5841, 6138, 6490, 6655, 6820, 7139, 7260, 7316, 7502, 7788, 7986, 9145, 9735, 10230, 10620, 10890, 10974, 11253, 11682, 11979, 12276, 12980, 13310, 14278, 15004, 15345, 15972, 16461, 18290, 18755, 19470, 19965, 20119, 20460, 21417, 21780, 21948, 22506, 23364, 23958, 26620, 27435, 28556, 29205, 30690, 32922, 33759, 35695, 36580, 37510, 38940, 39930, 40238, 41261, 42834, 45012, 47916, 54870, 56265, 58410, 59895, 60357, 61380, 64251, 65844, 67518, 71390, 75020, 78529, 79860, 80476, 82305, 82522, 85668, 100595, 107085, 109740, 112530, 116820, 119790, 120714, 123783, 128502, 135036, 142780, 157058, 164610, 165044, 168795, 181071, 201190, 206305, 214170, 221309, 225060, 235587, 239580, 241428, 247566, 257004, 301785, 314116, 321255, 329220, 337590, 362142, 371349, 392645, 402380, 412610, 428340, 442618, 471174, 495132, 603570, 618915, 642510, 663927, 675180, 706761, 724284, 742698, 785290, 825220, 885236, 905355, 942348, 1106545, 1177935, 1207140, 1237830, 1285020, 1327854, 1413522, 1485396, 1570580, 1810710, 1856745, 1991781, 2213090, 2355870, 2434399, 2475660, 2655708, 2827044, 3319635, 3533805, 3621420, 3713490, 3983562, 4426180, 4711740, 4868798, 6639270, 7067610, 7303197, 7426980, 7967124, 9737596, 9958905, 12171995, 13278540, 14135220, 14606394, 19917810, 21909591, 24343990, 29212788, 36515985, 39835620, 43819182, 48687980, 73031970, 87638364, 109547955, 146063940, 219095910, 438191820]

約数ペア:

[(1, 438191820), (2, 219095910), (3, 146063940), (4, 109547955), (5, 87638364), (6, 73031970), (9, 48687980), (10, 43819182), (11, 39835620), (12, 36515985), (15, 29212788), (18, 24343990), (20, 21909591), (22, 19917810), (30, 14606394), (31, 14135220), (33, 13278540), (36, 12171995), (44, 9958905), (45, 9737596), (55, 7967124), (59, 7426980), (60, 7303197), (62, 7067610), (66, 6639270), (90, 4868798), (93, 4711740), (99, 4426180), (110, 3983562), (118, 3713490), (121, 3621420), (124, 3533805), (132, 3319635), (155, 2827044), (165, 2655708), (177, 2475660), (180, 2434399), (186, 2355870), (198, 2213090), (220, 1991781), (236, 1856745), (242, 1810710), (279, 1570580), (295, 1485396), (310, 1413522), (330, 1327854), (341, 1285020), (354, 1237830), (363, 1207140), (372, 1177935), (396, 1106545), (465, 942348), (484, 905355), (495, 885236), (531, 825220), (558, 785290), (590, 742698), (605, 724284), (620, 706761), (649, 675180), (660, 663927), (682, 642510), (708, 618915), (726, 603570), (885, 495132), (930, 471174), (990, 442618), (1023, 428340), (1062, 412610), (1089, 402380), (1116, 392645), (1180, 371349), (1210, 362142), (1298, 337590), (1331, 329220), (1364, 321255), (1395, 314116), (1452, 301785), (1705, 257004), (1770, 247566), (1815, 241428), (1829, 239580), (1860, 235587), (1947, 225060), (1980, 221309), (2046, 214170), (2124, 206305), (2178, 201190), (2420, 181071), (2596, 168795), (2655, 165044), (2662, 164610), (2790, 157058), (3069, 142780), (3245, 135036), (3410, 128502), (3540, 123783), (3630, 120714), (3658, 119790), (3751, 116820), (3894, 112530), (3993, 109740), (4092, 107085), (4356, 100595), (5115, 85668), (5310, 82522), (5324, 82305), (5445, 80476), (5487, 79860), (5580, 78529), (5841, 75020), (6138, 71390), (6490, 67518), (6655, 65844), (6820, 64251), (7139, 61380), (7260, 60357), (7316, 59895), (7502, 58410), (7788, 56265), (7986, 54870), (9145, 47916), (9735, 45012), (10230, 42834), (10620, 41261), (10890, 40238), (10974, 39930), (11253, 38940), (11682, 37510), (11979, 36580), (12276, 35695), (12980, 33759), (13310, 32922), (14278, 30690), (15004, 29205), (15345, 28556), (15972, 27435), (16461, 26620), (18290, 23958), (18755, 23364), (19470, 22506), (19965, 21948), (20119, 21780), (20460, 21417)]