408065960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20693}}^1$

素因数の和:20750

約数の個数: 64

約数和(自身を含む): 1005728400

約数和(自身を除く): 597662440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3944, 4930, 9860, 19720, 20693, 41386, 82772, 103465, 165544, 206930, 351781, 413860, 600097, 703562, 827720, 1200194, 1407124, 1758905, 2400388, 2814248, 3000485, 3517810, 4800776, 6000970, 7035620, 10201649, 12001940, 14071240, 20403298, 24003880, 40806596, 51008245, 81613192, 102016490, 204032980, 408065960]

約数ペア:

[(1, 408065960), (2, 204032980), (4, 102016490), (5, 81613192), (8, 51008245), (10, 40806596), (17, 24003880), (20, 20403298), (29, 14071240), (34, 12001940), (40, 10201649), (58, 7035620), (68, 6000970), (85, 4800776), (116, 3517810), (136, 3000485), (145, 2814248), (170, 2400388), (232, 1758905), (290, 1407124), (340, 1200194), (493, 827720), (580, 703562), (680, 600097), (986, 413860), (1160, 351781), (1972, 206930), (2465, 165544), (3944, 103465), (4930, 82772), (9860, 41386), (19720, 20693)]