123405460

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{29243}}^1$

素因数の和:29463

約数の個数: 24

約数和(自身を含む): 260388576

約数和(自身を除く): 136983116

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 29243, 58486, 116972, 146215, 292430, 584860, 6170273, 12340546, 24681092, 30851365, 61702730, 123405460]

約数ペア:

[(1, 123405460), (2, 61702730), (4, 30851365), (5, 24681092), (10, 12340546), (20, 6170273), (211, 584860), (422, 292430), (844, 146215), (1055, 116972), (2110, 58486), (4220, 29243)]