390017820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{209687}}^1$

素因数の和:209730

約数の個数: 48

約数和(自身を含む): 1127282688

約数和(自身を除く): 737264868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 209687, 419374, 629061, 838748, 1048435, 1258122, 2096870, 2516244, 3145305, 4193740, 6290610, 6500297, 12581220, 13000594, 19500891, 26001188, 32501485, 39001782, 65002970, 78003564, 97504455, 130005940, 195008910, 390017820]

約数ペア:

[(1, 390017820), (2, 195008910), (3, 130005940), (4, 97504455), (5, 78003564), (6, 65002970), (10, 39001782), (12, 32501485), (15, 26001188), (20, 19500891), (30, 13000594), (31, 12581220), (60, 6500297), (62, 6290610), (93, 4193740), (124, 3145305), (155, 2516244), (186, 2096870), (310, 1258122), (372, 1048435), (465, 838748), (620, 629061), (930, 419374), (1860, 209687)]