78186460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1487}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 179988480

約数和(自身を除く): 101802020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 1487, 2390, 2629, 2974, 4780, 5258, 5948, 7435, 10516, 13145, 14870, 16357, 26290, 29740, 32714, 52580, 65428, 81785, 163570, 327140, 355393, 710786, 1421572, 1776965, 3553930, 3909323, 7107860, 7818646, 15637292, 19546615, 39093230, 78186460]

約数ペア:

[(1, 78186460), (2, 39093230), (4, 19546615), (5, 15637292), (10, 7818646), (11, 7107860), (20, 3909323), (22, 3553930), (44, 1776965), (55, 1421572), (110, 710786), (220, 355393), (239, 327140), (478, 163570), (956, 81785), (1195, 65428), (1487, 52580), (2390, 32714), (2629, 29740), (2974, 26290), (4780, 16357), (5258, 14870), (5948, 13145), (7435, 10516)]