86866940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1069}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 194140800

約数和(自身を除く): 107273860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 340, 478, 956, 1069, 1195, 2138, 2390, 4063, 4276, 4780, 5345, 8126, 10690, 16252, 18173, 20315, 21380, 36346, 40630, 72692, 81260, 90865, 181730, 255491, 363460, 510982, 1021964, 1277455, 2554910, 4343347, 5109820, 8686694, 17373388, 21716735, 43433470, 86866940]

約数ペア:

[(1, 86866940), (2, 43433470), (4, 21716735), (5, 17373388), (10, 8686694), (17, 5109820), (20, 4343347), (34, 2554910), (68, 1277455), (85, 1021964), (170, 510982), (239, 363460), (340, 255491), (478, 181730), (956, 90865), (1069, 81260), (1195, 72692), (2138, 40630), (2390, 36346), (4063, 21380), (4276, 20315), (4780, 18173), (5345, 16252), (8126, 10690)]