7249240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2971}}^1$

素因数の和:3043

約数の個数: 32

約数和(自身を含む): 16583760

約数和(自身を除く): 9334520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 2971, 5942, 11884, 14855, 23768, 29710, 59420, 118840, 181231, 362462, 724924, 906155, 1449848, 1812310, 3624620, 7249240]

約数ペア:

[(1, 7249240), (2, 3624620), (4, 1812310), (5, 1449848), (8, 906155), (10, 724924), (20, 362462), (40, 181231), (61, 118840), (122, 59420), (244, 29710), (305, 23768), (488, 14855), (610, 11884), (1220, 5942), (2440, 2971)]