129121150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 254448000

約数和(自身を除く): 125326850

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 199, 398, 475, 683, 950, 995, 1366, 1990, 3415, 3781, 4975, 6830, 7562, 9950, 12977, 17075, 18905, 25954, 34150, 37810, 64885, 94525, 129770, 135917, 189050, 271834, 324425, 648850, 679585, 1359170, 2582423, 3397925, 5164846, 6795850, 12912115, 25824230, 64560575, 129121150]

約数ペア:

[(1, 129121150), (2, 64560575), (5, 25824230), (10, 12912115), (19, 6795850), (25, 5164846), (38, 3397925), (50, 2582423), (95, 1359170), (190, 679585), (199, 648850), (398, 324425), (475, 271834), (683, 189050), (950, 135917), (995, 129770), (1366, 94525), (1990, 64885), (3415, 37810), (3781, 34150), (4975, 25954), (6830, 18905), (7562, 17075), (9950, 12977)]