284960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 730296

約数和(自身を除く): 445336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 137, 160, 208, 260, 274, 416, 520, 548, 685, 1040, 1096, 1370, 1781, 2080, 2192, 2740, 3562, 4384, 5480, 7124, 8905, 10960, 14248, 17810, 21920, 28496, 35620, 56992, 71240, 142480, 284960]

約数ペア:

[(1, 284960), (2, 142480), (4, 71240), (5, 56992), (8, 35620), (10, 28496), (13, 21920), (16, 17810), (20, 14248), (26, 10960), (32, 8905), (40, 7124), (52, 5480), (65, 4384), (80, 3562), (104, 2740), (130, 2192), (137, 2080), (160, 1781), (208, 1370), (260, 1096), (274, 1040), (416, 685), (520, 548)]