487894520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{1499}}^1$

素因数の和:1692

約数の個数: 64

約数和(自身を含む): 1123200000

約数和(自身を除く): 635305480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 103, 158, 206, 316, 395, 412, 515, 632, 790, 824, 1030, 1499, 1580, 2060, 2998, 3160, 4120, 5996, 7495, 8137, 11992, 14990, 16274, 29980, 32548, 40685, 59960, 65096, 81370, 118421, 154397, 162740, 236842, 308794, 325480, 473684, 592105, 617588, 771985, 947368, 1184210, 1235176, 1543970, 2368420, 3087940, 4736840, 6175880, 12197363, 24394726, 48789452, 60986815, 97578904, 121973630, 243947260, 487894520]

約数ペア:

[(1, 487894520), (2, 243947260), (4, 121973630), (5, 97578904), (8, 60986815), (10, 48789452), (20, 24394726), (40, 12197363), (79, 6175880), (103, 4736840), (158, 3087940), (206, 2368420), (316, 1543970), (395, 1235176), (412, 1184210), (515, 947368), (632, 771985), (790, 617588), (824, 592105), (1030, 473684), (1499, 325480), (1580, 308794), (2060, 236842), (2998, 162740), (3160, 154397), (4120, 118421), (5996, 81370), (7495, 65096), (8137, 59960), (11992, 40685), (14990, 32548), (16274, 29980)]