79670740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 171076752

約数和(自身を除く): 91406012

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 197, 277, 292, 365, 394, 554, 730, 788, 985, 1108, 1385, 1460, 1970, 2770, 3940, 5540, 14381, 20221, 28762, 40442, 54569, 57524, 71905, 80884, 101105, 109138, 143810, 202210, 218276, 272845, 287620, 404420, 545690, 1091380, 3983537, 7967074, 15934148, 19917685, 39835370, 79670740]

約数ペア:

[(1, 79670740), (2, 39835370), (4, 19917685), (5, 15934148), (10, 7967074), (20, 3983537), (73, 1091380), (146, 545690), (197, 404420), (277, 287620), (292, 272845), (365, 218276), (394, 202210), (554, 143810), (730, 109138), (788, 101105), (985, 80884), (1108, 71905), (1385, 57524), (1460, 54569), (1970, 40442), (2770, 28762), (3940, 20221), (5540, 14381)]