2181569480

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1\times {\mathrm{953}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 4959273600

約数和(自身を除く): 2777704120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 379, 604, 755, 758, 953, 1208, 1510, 1516, 1895, 1906, 3020, 3032, 3790, 3812, 4765, 6040, 7580, 7624, 9530, 15160, 19060, 38120, 57229, 114458, 143903, 228916, 286145, 287806, 361187, 457832, 572290, 575612, 719515, 722374, 1144580, 1151224, 1439030, 1444748, 1805935, 2289160, 2878060, 2889496, 3611870, 5756120, 7223740, 14447480, 54539237, 109078474, 218156948, 272696185, 436313896, 545392370, 1090784740, 2181569480]

約数ペア:

[(1, 2181569480), (2, 1090784740), (4, 545392370), (5, 436313896), (8, 272696185), (10, 218156948), (20, 109078474), (40, 54539237), (151, 14447480), (302, 7223740), (379, 5756120), (604, 3611870), (755, 2889496), (758, 2878060), (953, 2289160), (1208, 1805935), (1510, 1444748), (1516, 1439030), (1895, 1151224), (1906, 1144580), (3020, 722374), (3032, 719515), (3790, 575612), (3812, 572290), (4765, 457832), (6040, 361187), (7580, 287806), (7624, 286145), (9530, 228916), (15160, 143903), (19060, 114458), (38120, 57229)]