128361740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6763}}^1$

素因数の和:6858

約数の個数: 48

約数和(自身を含む): 294315168

約数和(自身を除く): 165953428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 6763, 9490, 13526, 18980, 27052, 33815, 67630, 87919, 135260, 175838, 351676, 439595, 493699, 879190, 987398, 1758380, 1974796, 2468495, 4936990, 6418087, 9873980, 12836174, 25672348, 32090435, 64180870, 128361740]

約数ペア:

[(1, 128361740), (2, 64180870), (4, 32090435), (5, 25672348), (10, 12836174), (13, 9873980), (20, 6418087), (26, 4936990), (52, 2468495), (65, 1974796), (73, 1758380), (130, 987398), (146, 879190), (260, 493699), (292, 439595), (365, 351676), (730, 175838), (949, 135260), (1460, 87919), (1898, 67630), (3796, 33815), (4745, 27052), (6763, 18980), (9490, 13526)]