31889550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 99743616

約数和(自身を除く): 67854066

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 50, 55, 66, 70, 75, 77, 105, 110, 121, 150, 154, 165, 175, 210, 231, 242, 251, 275, 330, 350, 363, 385, 462, 502, 525, 550, 605, 726, 753, 770, 825, 847, 1050, 1155, 1210, 1255, 1506, 1650, 1694, 1757, 1815, 1925, 2310, 2510, 2541, 2761, 3025, 3514, 3630, 3765, 3850, 4235, 5082, 5271, 5522, 5775, 6050, 6275, 7530, 8283, 8470, 8785, 9075, 10542, 11550, 12550, 12705, 13805, 16566, 17570, 18150, 18825, 19327, 21175, 25410, 26355, 27610, 30371, 37650, 38654, 41415, 42350, 43925, 52710, 57981, 60742, 63525, 69025, 82830, 87850, 91113, 96635, 115962, 127050, 131775, 138050, 151855, 182226, 193270, 207075, 212597, 263550, 289905, 303710, 414150, 425194, 455565, 483175, 579810, 637791, 759275, 911130, 966350, 1062985, 1275582, 1449525, 1518550, 2125970, 2277825, 2899050, 3188955, 4555650, 5314925, 6377910, 10629850, 15944775, 31889550]

約数ペア:

[(1, 31889550), (2, 15944775), (3, 10629850), (5, 6377910), (6, 5314925), (7, 4555650), (10, 3188955), (11, 2899050), (14, 2277825), (15, 2125970), (21, 1518550), (22, 1449525), (25, 1275582), (30, 1062985), (33, 966350), (35, 911130), (42, 759275), (50, 637791), (55, 579810), (66, 483175), (70, 455565), (75, 425194), (77, 414150), (105, 303710), (110, 289905), (121, 263550), (150, 212597), (154, 207075), (165, 193270), (175, 182226), (210, 151855), (231, 138050), (242, 131775), (251, 127050), (275, 115962), (330, 96635), (350, 91113), (363, 87850), (385, 82830), (462, 69025), (502, 63525), (525, 60742), (550, 57981), (605, 52710), (726, 43925), (753, 42350), (770, 41415), (825, 38654), (847, 37650), (1050, 30371), (1155, 27610), (1210, 26355), (1255, 25410), (1506, 21175), (1650, 19327), (1694, 18825), (1757, 18150), (1815, 17570), (1925, 16566), (2310, 13805), (2510, 12705), (2541, 12550), (2761, 11550), (3025, 10542), (3514, 9075), (3630, 8785), (3765, 8470), (3850, 8283), (4235, 7530), (5082, 6275), (5271, 6050), (5522, 5775)]