406313570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{6961}}^1$

素因数の和:7430

約数の個数: 32

約数和(自身を含む): 789490800

約数和(自身を除く): 383177230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 898, 2245, 4490, 5837, 6961, 11674, 13922, 29185, 34805, 58370, 69610, 90493, 180986, 452465, 904930, 3125489, 6250978, 15627445, 31254890, 40631357, 81262714, 203156785, 406313570]

約数ペア:

[(1, 406313570), (2, 203156785), (5, 81262714), (10, 40631357), (13, 31254890), (26, 15627445), (65, 6250978), (130, 3125489), (449, 904930), (898, 452465), (2245, 180986), (4490, 90493), (5837, 69610), (6961, 58370), (11674, 34805), (13922, 29185)]