31275580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{773}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 79839648

約数和(自身を除く): 48564068

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 773, 1156, 1190, 1445, 1546, 2023, 2380, 2890, 3092, 3865, 4046, 5411, 5780, 7730, 8092, 10115, 10822, 13141, 15460, 20230, 21644, 26282, 27055, 40460, 52564, 54110, 65705, 91987, 108220, 131410, 183974, 223397, 262820, 367948, 446794, 459935, 893588, 919870, 1116985, 1563779, 1839740, 2233970, 3127558, 4467940, 6255116, 7818895, 15637790, 31275580]

約数ペア:

[(1, 31275580), (2, 15637790), (4, 7818895), (5, 6255116), (7, 4467940), (10, 3127558), (14, 2233970), (17, 1839740), (20, 1563779), (28, 1116985), (34, 919870), (35, 893588), (68, 459935), (70, 446794), (85, 367948), (119, 262820), (140, 223397), (170, 183974), (238, 131410), (289, 108220), (340, 91987), (476, 65705), (578, 54110), (595, 52564), (773, 40460), (1156, 27055), (1190, 26282), (1445, 21644), (1546, 20230), (2023, 15460), (2380, 13141), (2890, 10822), (3092, 10115), (3865, 8092), (4046, 7730), (5411, 5780)]