289353460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1315243}}^1$

素因数の和:1315263

約数の個数: 24

約数和(自身を含む): 662882976

約数和(自身を除く): 373529516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1315243, 2630486, 5260972, 6576215, 13152430, 14467673, 26304860, 28935346, 57870692, 72338365, 144676730, 289353460]

約数ペア:

[(1, 289353460), (2, 144676730), (4, 72338365), (5, 57870692), (10, 28935346), (11, 26304860), (20, 14467673), (22, 13152430), (44, 6576215), (55, 5260972), (110, 2630486), (220, 1315243)]