7983220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 19353600

約数和(自身を除く): 11370380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 449, 508, 635, 889, 898, 1270, 1778, 1796, 2245, 2540, 3143, 3556, 4445, 4490, 6286, 8890, 8980, 12572, 15715, 17780, 31430, 57023, 62860, 114046, 228092, 285115, 399161, 570230, 798322, 1140460, 1596644, 1995805, 3991610, 7983220]

約数ペア:

[(1, 7983220), (2, 3991610), (4, 1995805), (5, 1596644), (7, 1140460), (10, 798322), (14, 570230), (20, 399161), (28, 285115), (35, 228092), (70, 114046), (127, 62860), (140, 57023), (254, 31430), (449, 17780), (508, 15715), (635, 12572), (889, 8980), (898, 8890), (1270, 6286), (1778, 4490), (1796, 4445), (2245, 3556), (2540, 3143)]