258328730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{26387}}^1$

素因数の和:26494

約数の個数: 32

約数和(自身を含む): 512982720

約数和(自身を除く): 254653990

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 26387, 52774, 131935, 263870, 290257, 580514, 1451285, 2348443, 2902570, 4696886, 11742215, 23484430, 25832873, 51665746, 129164365, 258328730]

約数ペア:

[(1, 258328730), (2, 129164365), (5, 51665746), (10, 25832873), (11, 23484430), (22, 11742215), (55, 4696886), (89, 2902570), (110, 2348443), (178, 1451285), (445, 580514), (890, 290257), (979, 263870), (1958, 131935), (4895, 52774), (9790, 26387)]