7474940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 17436384

約数和(自身を除く): 9961444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 557, 610, 671, 1114, 1220, 1342, 2228, 2684, 2785, 3355, 5570, 6127, 6710, 11140, 12254, 13420, 24508, 30635, 33977, 61270, 67954, 122540, 135908, 169885, 339770, 373747, 679540, 747494, 1494988, 1868735, 3737470, 7474940]

約数ペア:

[(1, 7474940), (2, 3737470), (4, 1868735), (5, 1494988), (10, 747494), (11, 679540), (20, 373747), (22, 339770), (44, 169885), (55, 135908), (61, 122540), (110, 67954), (122, 61270), (220, 33977), (244, 30635), (305, 24508), (557, 13420), (610, 12254), (671, 11140), (1114, 6710), (1220, 6127), (1342, 5570), (2228, 3355), (2684, 2785)]