7011940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 16052400

約数和(自身を除く): 9040460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 181, 260, 298, 362, 596, 724, 745, 905, 1490, 1810, 1937, 2353, 2980, 3620, 3874, 4706, 7748, 9412, 9685, 11765, 19370, 23530, 26969, 38740, 47060, 53938, 107876, 134845, 269690, 350597, 539380, 701194, 1402388, 1752985, 3505970, 7011940]

約数ペア:

[(1, 7011940), (2, 3505970), (4, 1752985), (5, 1402388), (10, 701194), (13, 539380), (20, 350597), (26, 269690), (52, 134845), (65, 107876), (130, 53938), (149, 47060), (181, 38740), (260, 26969), (298, 23530), (362, 19370), (596, 11765), (724, 9685), (745, 9412), (905, 7748), (1490, 4706), (1810, 3874), (1937, 3620), (2353, 2980)]