211501471640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{86680931}}^1$

素因数の和:86681003

約数の個数: 32

約数和(自身を含む): 483679600560

約数和(自身を除く): 272178128920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 86680931, 173361862, 346723724, 433404655, 693447448, 866809310, 1733618620, 3467237240, 5287536791, 10575073582, 21150147164, 26437683955, 42300294328, 52875367910, 105750735820, 211501471640]

約数ペア:

[(1, 211501471640), (2, 105750735820), (4, 52875367910), (5, 42300294328), (8, 26437683955), (10, 21150147164), (20, 10575073582), (40, 5287536791), (61, 3467237240), (122, 1733618620), (244, 866809310), (305, 693447448), (488, 433404655), (610, 346723724), (1220, 173361862), (2440, 86680931)]