7876540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 19095552

約数和(自身を除く): 11219012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 443, 508, 635, 886, 889, 1270, 1772, 1778, 2215, 2540, 3101, 3556, 4430, 4445, 6202, 8860, 8890, 12404, 15505, 17780, 31010, 56261, 62020, 112522, 225044, 281305, 393827, 562610, 787654, 1125220, 1575308, 1969135, 3938270, 7876540]

約数ペア:

[(1, 7876540), (2, 3938270), (4, 1969135), (5, 1575308), (7, 1125220), (10, 787654), (14, 562610), (20, 393827), (28, 281305), (35, 225044), (70, 112522), (127, 62020), (140, 56261), (254, 31010), (443, 17780), (508, 15505), (635, 12404), (886, 8890), (889, 8860), (1270, 6202), (1772, 4445), (1778, 4430), (2215, 3556), (2540, 3101)]