64345850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 130991988

約数和(自身を除く): 66646138

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 73, 85, 122, 146, 170, 289, 305, 365, 425, 578, 610, 730, 850, 1037, 1241, 1445, 1525, 1825, 2074, 2482, 2890, 3050, 3650, 4453, 5185, 6205, 7225, 8906, 10370, 12410, 14450, 17629, 21097, 22265, 25925, 31025, 35258, 42194, 44530, 51850, 62050, 75701, 88145, 105485, 111325, 151402, 176290, 210970, 222650, 378505, 440725, 527425, 757010, 881450, 1054850, 1286917, 1892525, 2573834, 3785050, 6434585, 12869170, 32172925, 64345850]

約数ペア:

[(1, 64345850), (2, 32172925), (5, 12869170), (10, 6434585), (17, 3785050), (25, 2573834), (34, 1892525), (50, 1286917), (61, 1054850), (73, 881450), (85, 757010), (122, 527425), (146, 440725), (170, 378505), (289, 222650), (305, 210970), (365, 176290), (425, 151402), (578, 111325), (610, 105485), (730, 88145), (850, 75701), (1037, 62050), (1241, 51850), (1445, 44530), (1525, 42194), (1825, 35258), (2074, 31025), (2482, 25925), (2890, 22265), (3050, 21097), (3650, 17629), (4453, 14450), (5185, 12410), (6205, 10370), (7225, 8906)]