203910910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61979}}^1$

素因数の和:62040

約数の個数: 32

約数和(自身を含む): 428405760

約数和(自身を除く): 224494850

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 61979, 123958, 309895, 433853, 619790, 867706, 2169265, 2913013, 4338530, 5826026, 14565065, 20391091, 29130130, 40782182, 101955455, 203910910]

約数ペア:

[(1, 203910910), (2, 101955455), (5, 40782182), (7, 29130130), (10, 20391091), (14, 14565065), (35, 5826026), (47, 4338530), (70, 2913013), (94, 2169265), (235, 867706), (329, 619790), (470, 433853), (658, 309895), (1645, 123958), (3290, 61979)]