858409900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{504947}}^1$

素因数の和:504978

約数の個数: 36

約数和(自身を含む): 1972326888

約数和(自身を除く): 1113916988

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 504947, 1009894, 2019788, 2524735, 5049470, 8584099, 10098940, 12623675, 17168198, 25247350, 34336396, 42920495, 50494700, 85840990, 171681980, 214602475, 429204950, 858409900]

約数ペア:

[(1, 858409900), (2, 429204950), (4, 214602475), (5, 171681980), (10, 85840990), (17, 50494700), (20, 42920495), (25, 34336396), (34, 25247350), (50, 17168198), (68, 12623675), (85, 10098940), (100, 8584099), (170, 5049470), (340, 2524735), (425, 2019788), (850, 1009894), (1700, 504947)]