64496390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 72361210

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 107, 109, 158, 214, 218, 395, 535, 545, 553, 749, 763, 790, 1070, 1090, 1106, 1498, 1526, 2765, 3745, 3815, 5530, 7490, 7630, 8453, 8611, 11663, 16906, 17222, 23326, 42265, 43055, 58315, 59171, 60277, 81641, 84530, 86110, 116630, 118342, 120554, 163282, 295855, 301385, 408205, 591710, 602770, 816410, 921377, 1842754, 4606885, 6449639, 9213770, 12899278, 32248195, 64496390]

約数ペア:

[(1, 64496390), (2, 32248195), (5, 12899278), (7, 9213770), (10, 6449639), (14, 4606885), (35, 1842754), (70, 921377), (79, 816410), (107, 602770), (109, 591710), (158, 408205), (214, 301385), (218, 295855), (395, 163282), (535, 120554), (545, 118342), (553, 116630), (749, 86110), (763, 84530), (790, 81641), (1070, 60277), (1090, 59171), (1106, 58315), (1498, 43055), (1526, 42265), (2765, 23326), (3745, 17222), (3815, 16906), (5530, 11663), (7490, 8611), (7630, 8453)]