250278680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 573804000

約数和(自身を除く): 323525320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 229, 307, 356, 445, 458, 614, 712, 890, 916, 1145, 1228, 1535, 1780, 1832, 2290, 2456, 3070, 3560, 4580, 6140, 9160, 12280, 20381, 27323, 40762, 54646, 70303, 81524, 101905, 109292, 136615, 140606, 163048, 203810, 218584, 273230, 281212, 351515, 407620, 546460, 562424, 703030, 815240, 1092920, 1406060, 2812120, 6256967, 12513934, 25027868, 31284835, 50055736, 62569670, 125139340, 250278680]

約数ペア:

[(1, 250278680), (2, 125139340), (4, 62569670), (5, 50055736), (8, 31284835), (10, 25027868), (20, 12513934), (40, 6256967), (89, 2812120), (178, 1406060), (229, 1092920), (307, 815240), (356, 703030), (445, 562424), (458, 546460), (614, 407620), (712, 351515), (890, 281212), (916, 273230), (1145, 218584), (1228, 203810), (1535, 163048), (1780, 140606), (1832, 136615), (2290, 109292), (2456, 101905), (3070, 81524), (3560, 70303), (4580, 54646), (6140, 40762), (9160, 27323), (12280, 20381)]