426451390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{12539}}^1$

素因数の和:12744

約数の個数: 32

約数和(自身を含む): 812592000

約数和(自身を除く): 386140610

約数列:

[1, 2, 5, 10, 19, 38, 95, 179, 190, 358, 895, 1790, 3401, 6802, 12539, 17005, 25078, 34010, 62695, 125390, 238241, 476482, 1191205, 2244481, 2382410, 4488962, 11222405, 22444810, 42645139, 85290278, 213225695, 426451390]

約数ペア:

[(1, 426451390), (2, 213225695), (5, 85290278), (10, 42645139), (19, 22444810), (38, 11222405), (95, 4488962), (179, 2382410), (190, 2244481), (358, 1191205), (895, 476482), (1790, 238241), (3401, 125390), (6802, 62695), (12539, 34010), (17005, 25078)]