720935830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{53681}}^1$

素因数の和:53784

約数の個数: 32

約数和(自身を含む): 1391437440

約数和(自身を除く): 670501610

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 6715, 13430, 53681, 107362, 268405, 536810, 912577, 1825154, 4240799, 4562885, 8481598, 9125770, 21203995, 42407990, 72093583, 144187166, 360467915, 720935830]

約数ペア:

[(1, 720935830), (2, 360467915), (5, 144187166), (10, 72093583), (17, 42407990), (34, 21203995), (79, 9125770), (85, 8481598), (158, 4562885), (170, 4240799), (395, 1825154), (790, 912577), (1343, 536810), (2686, 268405), (6715, 107362), (13430, 53681)]