130192820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3221}}^1$

素因数の和:3320

約数の個数: 48

約数和(自身を含む): 285804288

約数和(自身を除く): 155611468

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 3221, 4042, 6442, 8084, 10105, 12884, 16105, 20210, 32210, 40420, 64420, 138503, 151387, 277006, 302774, 554012, 605548, 692515, 756935, 1385030, 1513870, 2770060, 3027740, 6509641, 13019282, 26038564, 32548205, 65096410, 130192820]

約数ペア:

[(1, 130192820), (2, 65096410), (4, 32548205), (5, 26038564), (10, 13019282), (20, 6509641), (43, 3027740), (47, 2770060), (86, 1513870), (94, 1385030), (172, 756935), (188, 692515), (215, 605548), (235, 554012), (430, 302774), (470, 277006), (860, 151387), (940, 138503), (2021, 64420), (3221, 40420), (4042, 32210), (6442, 20210), (8084, 16105), (10105, 12884)]