311915110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{16103}}^1$

素因数の和:16272

約数の個数: 32

約数和(自身を含む): 608731200

約数和(自身を除く): 296816090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 16103, 19370, 32206, 80515, 161030, 209339, 418678, 1046695, 2093390, 2399347, 4798694, 11996735, 23993470, 31191511, 62383022, 155957555, 311915110]

約数ペア:

[(1, 311915110), (2, 155957555), (5, 62383022), (10, 31191511), (13, 23993470), (26, 11996735), (65, 4798694), (130, 2399347), (149, 2093390), (298, 1046695), (745, 418678), (1490, 209339), (1937, 161030), (3874, 80515), (9685, 32206), (16103, 19370)]