308517040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{296651}}^1$

素因数の和:296677

約数の個数: 40

約数和(自身を含む): 772481808

約数和(自身を除く): 463964768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 296651, 593302, 1186604, 1483255, 2373208, 2966510, 3856463, 4746416, 5933020, 7712926, 11866040, 15425852, 19282315, 23732080, 30851704, 38564630, 61703408, 77129260, 154258520, 308517040]

約数ペア:

[(1, 308517040), (2, 154258520), (4, 77129260), (5, 61703408), (8, 38564630), (10, 30851704), (13, 23732080), (16, 19282315), (20, 15425852), (26, 11866040), (40, 7712926), (52, 5933020), (65, 4746416), (80, 3856463), (104, 2966510), (130, 2373208), (208, 1483255), (260, 1186604), (520, 593302), (1040, 296651)]