123140780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12049}}^1$

素因数の和:12138

約数の個数: 48

約数和(自身を含む): 299611200

約数和(自身を除く): 176470420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 12049, 24098, 48196, 60245, 84343, 120490, 168686, 240980, 337372, 421715, 843430, 879577, 1686860, 1759154, 3518308, 4397885, 6157039, 8795770, 12314078, 17591540, 24628156, 30785195, 61570390, 123140780]

約数ペア:

[(1, 123140780), (2, 61570390), (4, 30785195), (5, 24628156), (7, 17591540), (10, 12314078), (14, 8795770), (20, 6157039), (28, 4397885), (35, 3518308), (70, 1759154), (73, 1686860), (140, 879577), (146, 843430), (292, 421715), (365, 337372), (511, 240980), (730, 168686), (1022, 120490), (1460, 84343), (2044, 60245), (2555, 48196), (5110, 24098), (10220, 12049)]