897355540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{6299}}^1$

素因数の和:6744

約数の個数: 48

約数和(自身を含む): 2000376000

約数和(自身を除く): 1103020460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 419, 838, 1676, 2095, 4190, 6299, 7123, 8380, 12598, 14246, 25196, 28492, 31495, 35615, 62990, 71230, 107083, 125980, 142460, 214166, 428332, 535415, 1070830, 2141660, 2639281, 5278562, 10557124, 13196405, 26392810, 44867777, 52785620, 89735554, 179471108, 224338885, 448677770, 897355540]

約数ペア:

[(1, 897355540), (2, 448677770), (4, 224338885), (5, 179471108), (10, 89735554), (17, 52785620), (20, 44867777), (34, 26392810), (68, 13196405), (85, 10557124), (170, 5278562), (340, 2639281), (419, 2141660), (838, 1070830), (1676, 535415), (2095, 428332), (4190, 214166), (6299, 142460), (7123, 125980), (8380, 107083), (12598, 71230), (14246, 62990), (25196, 35615), (28492, 31495)]