489704930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{342451}}^1$

素因数の和:342482

約数の個数: 32

約数和(自身を含む): 1035574848

約数和(自身を除く): 545869918

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 342451, 684902, 1712255, 3424510, 3766961, 4451863, 7533922, 8903726, 18834805, 22259315, 37669610, 44518630, 48970493, 97940986, 244852465, 489704930]

約数ペア:

[(1, 489704930), (2, 244852465), (5, 97940986), (10, 48970493), (11, 44518630), (13, 37669610), (22, 22259315), (26, 18834805), (55, 8903726), (65, 7533922), (110, 4451863), (130, 3766961), (143, 3424510), (286, 1712255), (715, 684902), (1430, 342451)]