209597820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{112687}}^1$

素因数の和:112730

約数の個数: 48

約数和(自身を含む): 605810688

約数和(自身を除く): 396212868

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, 112687, 225374, 338061, 450748, 563435, 676122, 1126870, 1352244, 1690305, 2253740, 3380610, 3493297, 6761220, 6986594, 10479891, 13973188, 17466485, 20959782, 34932970, 41919564, 52399455, 69865940, 104798910, 209597820]

約数ペア:

[(1, 209597820), (2, 104798910), (3, 69865940), (4, 52399455), (5, 41919564), (6, 34932970), (10, 20959782), (12, 17466485), (15, 13973188), (20, 10479891), (30, 6986594), (31, 6761220), (60, 3493297), (62, 3380610), (93, 2253740), (124, 1690305), (155, 1352244), (186, 1126870), (310, 676122), (372, 563435), (465, 450748), (620, 338061), (930, 225374), (1860, 112687)]