213691840

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^2\times {\mathrm{107}}^1$

素因数の和:282

約数の個数: 84

約数和(自身を含む): 520193016

約数和(自身を除く): 306501176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 107, 158, 160, 214, 316, 320, 395, 428, 535, 632, 790, 856, 1070, 1264, 1580, 1712, 2140, 2528, 3160, 3424, 4280, 5056, 6241, 6320, 6848, 8453, 8560, 12482, 12640, 16906, 17120, 24964, 25280, 31205, 33812, 34240, 42265, 49928, 62410, 67624, 84530, 99856, 124820, 135248, 169060, 199712, 249640, 270496, 338120, 399424, 499280, 540992, 667787, 676240, 998560, 1335574, 1352480, 1997120, 2671148, 2704960, 3338935, 5342296, 6677870, 10684592, 13355740, 21369184, 26711480, 42738368, 53422960, 106845920, 213691840]

約数ペア:

[(1, 213691840), (2, 106845920), (4, 53422960), (5, 42738368), (8, 26711480), (10, 21369184), (16, 13355740), (20, 10684592), (32, 6677870), (40, 5342296), (64, 3338935), (79, 2704960), (80, 2671148), (107, 1997120), (158, 1352480), (160, 1335574), (214, 998560), (316, 676240), (320, 667787), (395, 540992), (428, 499280), (535, 399424), (632, 338120), (790, 270496), (856, 249640), (1070, 199712), (1264, 169060), (1580, 135248), (1712, 124820), (2140, 99856), (2528, 84530), (3160, 67624), (3424, 62410), (4280, 49928), (5056, 42265), (6241, 34240), (6320, 33812), (6848, 31205), (8453, 25280), (8560, 24964), (12482, 17120), (12640, 16906)]