285181520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274213}}^1$

素因数の和:274239

約数の個数: 40

約数和(自身を含む): 714053256

約数和(自身を除く): 428871736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 274213, 548426, 1096852, 1371065, 2193704, 2742130, 3564769, 4387408, 5484260, 7129538, 10968520, 14259076, 17823845, 21937040, 28518152, 35647690, 57036304, 71295380, 142590760, 285181520]

約数ペア:

[(1, 285181520), (2, 142590760), (4, 71295380), (5, 57036304), (8, 35647690), (10, 28518152), (13, 21937040), (16, 17823845), (20, 14259076), (26, 10968520), (40, 7129538), (52, 5484260), (65, 4387408), (80, 3564769), (104, 2742130), (130, 2193704), (208, 1371065), (260, 1096852), (520, 548426), (1040, 274213)]