216966920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{319069}}^1$

素因数の和:319097

約数の個数: 32

約数和(自身を含む): 516893400

約数和(自身を除く): 299926480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 319069, 638138, 1276276, 1595345, 2552552, 3190690, 5424173, 6381380, 10848346, 12762760, 21696692, 27120865, 43393384, 54241730, 108483460, 216966920]

約数ペア:

[(1, 216966920), (2, 108483460), (4, 54241730), (5, 43393384), (8, 27120865), (10, 21696692), (17, 12762760), (20, 10848346), (34, 6381380), (40, 5424173), (68, 3190690), (85, 2552552), (136, 1595345), (170, 1276276), (340, 638138), (680, 319069)]