231677980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{269393}}^1$

素因数の和:269445

約数の個数: 24

約数和(自身を含む): 497840112

約数和(自身を除く): 266162132

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 269393, 538786, 1077572, 1346965, 2693930, 5387860, 11583899, 23167798, 46335596, 57919495, 115838990, 231677980]

約数ペア:

[(1, 231677980), (2, 115838990), (4, 57919495), (5, 46335596), (10, 23167798), (20, 11583899), (43, 5387860), (86, 2693930), (172, 1346965), (215, 1077572), (430, 538786), (860, 269393)]