256880030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137369}}^1$

素因数の和:137404

約数の個数: 32

約数和(自身を含む): 534094560

約数和(自身を除く): 277214530

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 137369, 274738, 686845, 1373690, 1511059, 2335273, 3022118, 4670546, 7555295, 11676365, 15110590, 23352730, 25688003, 51376006, 128440015, 256880030]

約数ペア:

[(1, 256880030), (2, 128440015), (5, 51376006), (10, 25688003), (11, 23352730), (17, 15110590), (22, 11676365), (34, 7555295), (55, 4670546), (85, 3022118), (110, 2335273), (170, 1511059), (187, 1373690), (374, 686845), (935, 274738), (1870, 137369)]