258809920

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^2$

素因数の和:380

約数の個数: 84

約数和(自身を含む): 641383020

約数和(自身を除く): 382573100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 167, 232, 290, 320, 334, 464, 580, 668, 835, 928, 1160, 1336, 1670, 1856, 2320, 2672, 3340, 4640, 4843, 5344, 6680, 9280, 9686, 10688, 13360, 19372, 24215, 26720, 27889, 38744, 48430, 53440, 55778, 77488, 96860, 111556, 139445, 154976, 193720, 223112, 278890, 309952, 387440, 446224, 557780, 774880, 808781, 892448, 1115560, 1549760, 1617562, 1784896, 2231120, 3235124, 4043905, 4462240, 6470248, 8087810, 8924480, 12940496, 16175620, 25880992, 32351240, 51761984, 64702480, 129404960, 258809920]

約数ペア:

[(1, 258809920), (2, 129404960), (4, 64702480), (5, 51761984), (8, 32351240), (10, 25880992), (16, 16175620), (20, 12940496), (29, 8924480), (32, 8087810), (40, 6470248), (58, 4462240), (64, 4043905), (80, 3235124), (116, 2231120), (145, 1784896), (160, 1617562), (167, 1549760), (232, 1115560), (290, 892448), (320, 808781), (334, 774880), (464, 557780), (580, 446224), (668, 387440), (835, 309952), (928, 278890), (1160, 223112), (1336, 193720), (1670, 154976), (1856, 139445), (2320, 111556), (2672, 96860), (3340, 77488), (4640, 55778), (4843, 53440), (5344, 48430), (6680, 38744), (9280, 27889), (9686, 26720), (10688, 24215), (13360, 19372)]