86178620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 201096000

約数和(自身を除く): 114917380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 149, 220, 239, 242, 298, 478, 484, 596, 605, 745, 956, 1195, 1210, 1490, 1639, 2390, 2420, 2629, 2980, 3278, 4780, 5258, 6556, 8195, 10516, 13145, 16390, 18029, 26290, 28919, 32780, 35611, 36058, 52580, 57838, 71222, 72116, 90145, 115676, 142444, 144595, 178055, 180290, 289190, 356110, 360580, 391721, 578380, 712220, 783442, 1566884, 1958605, 3917210, 4308931, 7834420, 8617862, 17235724, 21544655, 43089310, 86178620]

約数ペア:

[(1, 86178620), (2, 43089310), (4, 21544655), (5, 17235724), (10, 8617862), (11, 7834420), (20, 4308931), (22, 3917210), (44, 1958605), (55, 1566884), (110, 783442), (121, 712220), (149, 578380), (220, 391721), (239, 360580), (242, 356110), (298, 289190), (478, 180290), (484, 178055), (596, 144595), (605, 142444), (745, 115676), (956, 90145), (1195, 72116), (1210, 71222), (1490, 57838), (1639, 52580), (2390, 36058), (2420, 35611), (2629, 32780), (2980, 28919), (3278, 26290), (4780, 18029), (5258, 16390), (6556, 13145), (8195, 10516)]