78464890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7523}}^1$

素因数の和:7686

約数の個数: 32

約数和(自身を含む): 162518400

約数和(自身を除く): 84053510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 7523, 10430, 15046, 37615, 52661, 75230, 105322, 263305, 526610, 1120927, 2241854, 5604635, 7846489, 11209270, 15692978, 39232445, 78464890]

約数ペア:

[(1, 78464890), (2, 39232445), (5, 15692978), (7, 11209270), (10, 7846489), (14, 5604635), (35, 2241854), (70, 1120927), (149, 526610), (298, 263305), (745, 105322), (1043, 75230), (1490, 52661), (2086, 37615), (5215, 15046), (7523, 10430)]