87453260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 188842080

約数和(自身を除く): 101388820

約数列:

[1, 2, 4, 5, 10, 20, 61, 97, 122, 194, 244, 305, 388, 485, 610, 739, 970, 1220, 1478, 1940, 2956, 3695, 5917, 7390, 11834, 14780, 23668, 29585, 45079, 59170, 71683, 90158, 118340, 143366, 180316, 225395, 286732, 358415, 450790, 716830, 901580, 1433660, 4372663, 8745326, 17490652, 21863315, 43726630, 87453260]

約数ペア:

[(1, 87453260), (2, 43726630), (4, 21863315), (5, 17490652), (10, 8745326), (20, 4372663), (61, 1433660), (97, 901580), (122, 716830), (194, 450790), (244, 358415), (305, 286732), (388, 225395), (485, 180316), (610, 143366), (739, 118340), (970, 90158), (1220, 71683), (1478, 59170), (1940, 45079), (2956, 29585), (3695, 23668), (5917, 14780), (7390, 11834)]