123025890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{315451}}^1$

素因数の和:315474

約数の個数: 32

約数和(自身を含む): 317975616

約数和(自身を除く): 194949726

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 315451, 630902, 946353, 1577255, 1892706, 3154510, 4100863, 4731765, 8201726, 9463530, 12302589, 20504315, 24605178, 41008630, 61512945, 123025890]

約数ペア:

[(1, 123025890), (2, 61512945), (3, 41008630), (5, 24605178), (6, 20504315), (10, 12302589), (13, 9463530), (15, 8201726), (26, 4731765), (30, 4100863), (39, 3154510), (65, 1892706), (78, 1577255), (130, 946353), (195, 630902), (390, 315451)]