123142370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1861}}^1$

素因数の和:2390

約数の個数: 32

約数和(自身を含む): 239304240

約数和(自身を除く): 116161870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 509, 1018, 1861, 2545, 3722, 5090, 6617, 9305, 13234, 18610, 24193, 33085, 48386, 66170, 120965, 241930, 947249, 1894498, 4736245, 9472490, 12314237, 24628474, 61571185, 123142370]

約数ペア:

[(1, 123142370), (2, 61571185), (5, 24628474), (10, 12314237), (13, 9472490), (26, 4736245), (65, 1894498), (130, 947249), (509, 241930), (1018, 120965), (1861, 66170), (2545, 48386), (3722, 33085), (5090, 24193), (6617, 18610), (9305, 13234)]