57278740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 126282240

約数和(自身を除く): 69003500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 239, 460, 478, 521, 956, 1042, 1195, 2084, 2390, 2605, 4780, 5210, 5497, 10420, 10994, 11983, 21988, 23966, 27485, 47932, 54970, 59915, 109940, 119830, 124519, 239660, 249038, 498076, 622595, 1245190, 2490380, 2863937, 5727874, 11455748, 14319685, 28639370, 57278740]

約数ペア:

[(1, 57278740), (2, 28639370), (4, 14319685), (5, 11455748), (10, 5727874), (20, 2863937), (23, 2490380), (46, 1245190), (92, 622595), (115, 498076), (230, 249038), (239, 239660), (460, 124519), (478, 119830), (521, 109940), (956, 59915), (1042, 54970), (1195, 47932), (2084, 27485), (2390, 23966), (2605, 21988), (4780, 11983), (5210, 10994), (5497, 10420)]