42856780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3889}}^1$

素因数の和:3946

約数の個数: 48

約数和(自身を含む): 98028000

約数和(自身を除く): 55171220

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 3889, 5510, 7778, 11020, 15556, 19445, 38890, 73891, 77780, 112781, 147782, 225562, 295564, 369455, 451124, 563905, 738910, 1127810, 1477820, 2142839, 2255620, 4285678, 8571356, 10714195, 21428390, 42856780]

約数ペア:

[(1, 42856780), (2, 21428390), (4, 10714195), (5, 8571356), (10, 4285678), (19, 2255620), (20, 2142839), (29, 1477820), (38, 1127810), (58, 738910), (76, 563905), (95, 451124), (116, 369455), (145, 295564), (190, 225562), (290, 147782), (380, 112781), (551, 77780), (580, 73891), (1102, 38890), (2204, 19445), (2755, 15556), (3889, 11020), (5510, 7778)]