42157210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 78796800

約数和(自身を除く): 36639590

約数列:

[1, 2, 5, 10, 31, 62, 155, 239, 310, 478, 569, 1138, 1195, 2390, 2845, 5690, 7409, 14818, 17639, 35278, 37045, 74090, 88195, 135991, 176390, 271982, 679955, 1359910, 4215721, 8431442, 21078605, 42157210]

約数ペア:

[(1, 42157210), (2, 21078605), (5, 8431442), (10, 4215721), (31, 1359910), (62, 679955), (155, 271982), (239, 176390), (310, 135991), (478, 88195), (569, 74090), (1138, 37045), (1195, 35278), (2390, 17639), (2845, 14818), (5690, 7409)]