220141870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{3929}}^1$

素因数の和:4380

約数の個数: 32

約数和(自身を含む): 427835520

約数和(自身を除く): 207693650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 431, 862, 2155, 3929, 4310, 5603, 7858, 11206, 19645, 28015, 39290, 51077, 56030, 102154, 255385, 510770, 1693399, 3386798, 8466995, 16933990, 22014187, 44028374, 110070935, 220141870]

約数ペア:

[(1, 220141870), (2, 110070935), (5, 44028374), (10, 22014187), (13, 16933990), (26, 8466995), (65, 3386798), (130, 1693399), (431, 510770), (862, 255385), (2155, 102154), (3929, 56030), (4310, 51077), (5603, 39290), (7858, 28015), (11206, 19645)]