109505020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{739}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 238694400

約数和(自身を除く): 129189380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 239, 310, 478, 620, 739, 956, 1195, 1478, 2390, 2956, 3695, 4780, 7390, 7409, 14780, 14818, 22909, 29636, 37045, 45818, 74090, 91636, 114545, 148180, 176621, 229090, 353242, 458180, 706484, 883105, 1766210, 3532420, 5475251, 10950502, 21901004, 27376255, 54752510, 109505020]

約数ペア:

[(1, 109505020), (2, 54752510), (4, 27376255), (5, 21901004), (10, 10950502), (20, 5475251), (31, 3532420), (62, 1766210), (124, 883105), (155, 706484), (239, 458180), (310, 353242), (478, 229090), (620, 176621), (739, 148180), (956, 114545), (1195, 91636), (1478, 74090), (2390, 45818), (2956, 37045), (3695, 29636), (4780, 22909), (7390, 14818), (7409, 14780)]