129615910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{3769}}^1$

素因数の和:3976

約数の個数: 32

約数和(自身を含む): 247010400

約数和(自身を除く): 117394490

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 905, 1810, 3439, 3769, 6878, 7538, 17195, 18845, 34390, 37690, 71611, 143222, 358055, 682189, 716110, 1364378, 3410945, 6821890, 12961591, 25923182, 64807955, 129615910]

約数ペア:

[(1, 129615910), (2, 64807955), (5, 25923182), (10, 12961591), (19, 6821890), (38, 3410945), (95, 1364378), (181, 716110), (190, 682189), (362, 358055), (905, 143222), (1810, 71611), (3439, 37690), (3769, 34390), (6878, 18845), (7538, 17195)]