78473220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{186841}}^1$

素因数の和:186860

約数の個数: 48

約数和(自身を含む): 251115648

約数和(自身を除く): 172642428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 186841, 373682, 560523, 747364, 934205, 1121046, 1307887, 1868410, 2242092, 2615774, 2802615, 3736820, 3923661, 5231548, 5605230, 6539435, 7847322, 11210460, 13078870, 15694644, 19618305, 26157740, 39236610, 78473220]

約数ペア:

[(1, 78473220), (2, 39236610), (3, 26157740), (4, 19618305), (5, 15694644), (6, 13078870), (7, 11210460), (10, 7847322), (12, 6539435), (14, 5605230), (15, 5231548), (20, 3923661), (21, 3736820), (28, 2802615), (30, 2615774), (35, 2242092), (42, 1868410), (60, 1307887), (70, 1121046), (84, 934205), (105, 747364), (140, 560523), (210, 373682), (420, 186841)]