221405100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 288

約数和(自身を含む): 799948800

約数和(自身を除く): 578543700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 31, 35, 38, 42, 50, 57, 60, 62, 70, 75, 76, 84, 93, 95, 100, 105, 114, 124, 133, 140, 150, 155, 175, 179, 186, 190, 210, 217, 228, 266, 285, 300, 310, 350, 358, 372, 380, 399, 420, 434, 465, 475, 525, 532, 537, 570, 589, 620, 651, 665, 700, 716, 775, 798, 868, 895, 930, 950, 1050, 1074, 1085, 1140, 1178, 1253, 1302, 1330, 1425, 1550, 1596, 1767, 1790, 1860, 1900, 1995, 2100, 2148, 2170, 2325, 2356, 2506, 2604, 2660, 2685, 2850, 2945, 3100, 3255, 3325, 3401, 3534, 3580, 3759, 3990, 4123, 4340, 4475, 4650, 5012, 5370, 5425, 5549, 5700, 5890, 6265, 6510, 6650, 6802, 7068, 7518, 7980, 8246, 8835, 8950, 9300, 9975, 10203, 10740, 10850, 11098, 11780, 12369, 12530, 13020, 13300, 13425, 13604, 14725, 15036, 16275, 16492, 16647, 17005, 17670, 17900, 18795, 19950, 20406, 20615, 21700, 22196, 23807, 24738, 25060, 26850, 27745, 29450, 31325, 32550, 33294, 34010, 35340, 37590, 38843, 39900, 40812, 41230, 44175, 47614, 49476, 51015, 53700, 55490, 58900, 61845, 62650, 65100, 66588, 68020, 71421, 75180, 77686, 82460, 83235, 85025, 88350, 93975, 95228, 102030, 103075, 105431, 110980, 116529, 119035, 123690, 125300, 138725, 142842, 155372, 166470, 170050, 176700, 187950, 194215, 204060, 206150, 210862, 233058, 238070, 247380, 255075, 277450, 285684, 309225, 316293, 332940, 340100, 357105, 375900, 388430, 412300, 416175, 421724, 466116, 476140, 510150, 527155, 554900, 582645, 595175, 618450, 632586, 714210, 738017, 776860, 832350, 971075, 1020300, 1054310, 1165290, 1190350, 1236900, 1265172, 1428420, 1476034, 1581465, 1664700, 1785525, 1942150, 2108620, 2214051, 2330580, 2380700, 2635775, 2913225, 2952068, 3162930, 3571050, 3690085, 3884300, 4428102, 5271550, 5826450, 6325860, 7142100, 7380170, 7907325, 8856204, 10543100, 11070255, 11652900, 14760340, 15814650, 18450425, 22140510, 31629300, 36900850, 44281020, 55351275, 73801700, 110702550, 221405100]

約数ペア:

[(1, 221405100), (2, 110702550), (3, 73801700), (4, 55351275), (5, 44281020), (6, 36900850), (7, 31629300), (10, 22140510), (12, 18450425), (14, 15814650), (15, 14760340), (19, 11652900), (20, 11070255), (21, 10543100), (25, 8856204), (28, 7907325), (30, 7380170), (31, 7142100), (35, 6325860), (38, 5826450), (42, 5271550), (50, 4428102), (57, 3884300), (60, 3690085), (62, 3571050), (70, 3162930), (75, 2952068), (76, 2913225), (84, 2635775), (93, 2380700), (95, 2330580), (100, 2214051), (105, 2108620), (114, 1942150), (124, 1785525), (133, 1664700), (140, 1581465), (150, 1476034), (155, 1428420), (175, 1265172), (179, 1236900), (186, 1190350), (190, 1165290), (210, 1054310), (217, 1020300), (228, 971075), (266, 832350), (285, 776860), (300, 738017), (310, 714210), (350, 632586), (358, 618450), (372, 595175), (380, 582645), (399, 554900), (420, 527155), (434, 510150), (465, 476140), (475, 466116), (525, 421724), (532, 416175), (537, 412300), (570, 388430), (589, 375900), (620, 357105), (651, 340100), (665, 332940), (700, 316293), (716, 309225), (775, 285684), (798, 277450), (868, 255075), (895, 247380), (930, 238070), (950, 233058), (1050, 210862), (1074, 206150), (1085, 204060), (1140, 194215), (1178, 187950), (1253, 176700), (1302, 170050), (1330, 166470), (1425, 155372), (1550, 142842), (1596, 138725), (1767, 125300), (1790, 123690), (1860, 119035), (1900, 116529), (1995, 110980), (2100, 105431), (2148, 103075), (2170, 102030), (2325, 95228), (2356, 93975), (2506, 88350), (2604, 85025), (2660, 83235), (2685, 82460), (2850, 77686), (2945, 75180), (3100, 71421), (3255, 68020), (3325, 66588), (3401, 65100), (3534, 62650), (3580, 61845), (3759, 58900), (3990, 55490), (4123, 53700), (4340, 51015), (4475, 49476), (4650, 47614), (5012, 44175), (5370, 41230), (5425, 40812), (5549, 39900), (5700, 38843), (5890, 37590), (6265, 35340), (6510, 34010), (6650, 33294), (6802, 32550), (7068, 31325), (7518, 29450), (7980, 27745), (8246, 26850), (8835, 25060), (8950, 24738), (9300, 23807), (9975, 22196), (10203, 21700), (10740, 20615), (10850, 20406), (11098, 19950), (11780, 18795), (12369, 17900), (12530, 17670), (13020, 17005), (13300, 16647), (13425, 16492), (13604, 16275), (14725, 15036)]