2727820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 6205248

約数和(自身を除く): 3477428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 113, 142, 170, 226, 284, 340, 355, 452, 565, 710, 1130, 1207, 1420, 1921, 2260, 2414, 3842, 4828, 6035, 7684, 8023, 9605, 12070, 16046, 19210, 24140, 32092, 38420, 40115, 80230, 136391, 160460, 272782, 545564, 681955, 1363910, 2727820]

約数ペア:

[(1, 2727820), (2, 1363910), (4, 681955), (5, 545564), (10, 272782), (17, 160460), (20, 136391), (34, 80230), (68, 40115), (71, 38420), (85, 32092), (113, 24140), (142, 19210), (170, 16046), (226, 12070), (284, 9605), (340, 8023), (355, 7684), (452, 6035), (565, 4828), (710, 3842), (1130, 2414), (1207, 2260), (1420, 1921)]