69639820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 155675520

約数和(自身を除く): 86035700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 340, 478, 857, 956, 1195, 1714, 2390, 3428, 4063, 4285, 4780, 8126, 8570, 14569, 16252, 17140, 20315, 29138, 40630, 58276, 72845, 81260, 145690, 204823, 291380, 409646, 819292, 1024115, 2048230, 3481991, 4096460, 6963982, 13927964, 17409955, 34819910, 69639820]

約数ペア:

[(1, 69639820), (2, 34819910), (4, 17409955), (5, 13927964), (10, 6963982), (17, 4096460), (20, 3481991), (34, 2048230), (68, 1024115), (85, 819292), (170, 409646), (239, 291380), (340, 204823), (478, 145690), (857, 81260), (956, 72845), (1195, 58276), (1714, 40630), (2390, 29138), (3428, 20315), (4063, 17140), (4285, 16252), (4780, 14569), (8126, 8570)]