219238380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{405997}}^1$

素因数の和:406015

約数の個数: 48

約数和(自身を含む): 682076640

約数和(自身を除く): 462838260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 405997, 811994, 1217991, 1623988, 2029985, 2435982, 3653973, 4059970, 4871964, 6089955, 7307946, 8119940, 10961919, 12179910, 14615892, 18269865, 21923838, 24359820, 36539730, 43847676, 54809595, 73079460, 109619190, 219238380]

約数ペア:

[(1, 219238380), (2, 109619190), (3, 73079460), (4, 54809595), (5, 43847676), (6, 36539730), (9, 24359820), (10, 21923838), (12, 18269865), (15, 14615892), (18, 12179910), (20, 10961919), (27, 8119940), (30, 7307946), (36, 6089955), (45, 4871964), (54, 4059970), (60, 3653973), (90, 2435982), (108, 2029985), (135, 1623988), (180, 1217991), (270, 811994), (540, 405997)]