305449040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293701}}^1$

素因数の和:293727

約数の個数: 40

約数和(自身を含む): 764800008

約数和(自身を除く): 459350968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 293701, 587402, 1174804, 1468505, 2349608, 2937010, 3818113, 4699216, 5874020, 7636226, 11748040, 15272452, 19090565, 23496080, 30544904, 38181130, 61089808, 76362260, 152724520, 305449040]

約数ペア:

[(1, 305449040), (2, 152724520), (4, 76362260), (5, 61089808), (8, 38181130), (10, 30544904), (13, 23496080), (16, 19090565), (20, 15272452), (26, 11748040), (40, 7636226), (52, 5874020), (65, 4699216), (80, 3818113), (104, 2937010), (130, 2349608), (208, 1468505), (260, 1174804), (520, 587402), (1040, 293701)]