8435740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 19226592

約数和(自身を除く): 10790852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 577, 731, 860, 1154, 1462, 2308, 2885, 2924, 3655, 5770, 7310, 9809, 11540, 14620, 19618, 24811, 39236, 49045, 49622, 98090, 99244, 124055, 196180, 248110, 421787, 496220, 843574, 1687148, 2108935, 4217870, 8435740]

約数ペア:

[(1, 8435740), (2, 4217870), (4, 2108935), (5, 1687148), (10, 843574), (17, 496220), (20, 421787), (34, 248110), (43, 196180), (68, 124055), (85, 99244), (86, 98090), (170, 49622), (172, 49045), (215, 39236), (340, 24811), (430, 19618), (577, 14620), (731, 11540), (860, 9809), (1154, 7310), (1462, 5770), (2308, 3655), (2885, 2924)]