78542390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2633}}^1$

素因数の和:2816

約数の個数: 32

約数和(自身を含む): 149821920

約数和(自身を除く): 71279530

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 785, 1570, 2633, 2983, 5266, 5966, 13165, 14915, 26330, 29830, 50027, 100054, 250135, 413381, 500270, 826762, 2066905, 4133810, 7854239, 15708478, 39271195, 78542390]

約数ペア:

[(1, 78542390), (2, 39271195), (5, 15708478), (10, 7854239), (19, 4133810), (38, 2066905), (95, 826762), (157, 500270), (190, 413381), (314, 250135), (785, 100054), (1570, 50027), (2633, 29830), (2983, 26330), (5266, 14915), (5966, 13165)]