2149824550

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2305

約数の個数: 48

約数和(自身を含む): 4055544000

約数和(自身を除く): 1905719450

約数列:

[1, 2, 5, 10, 25, 50, 137, 157, 274, 314, 685, 785, 1370, 1570, 1999, 3425, 3925, 3998, 6850, 7850, 9995, 19990, 21509, 43018, 49975, 99950, 107545, 215090, 273863, 313843, 537725, 547726, 627686, 1075450, 1369315, 1569215, 2738630, 3138430, 6846575, 7846075, 13693150, 15692150, 42996491, 85992982, 214982455, 429964910, 1074912275, 2149824550]

約数ペア:

[(1, 2149824550), (2, 1074912275), (5, 429964910), (10, 214982455), (25, 85992982), (50, 42996491), (137, 15692150), (157, 13693150), (274, 7846075), (314, 6846575), (685, 3138430), (785, 2738630), (1370, 1569215), (1570, 1369315), (1999, 1075450), (3425, 627686), (3925, 547726), (3998, 537725), (6850, 313843), (7850, 273863), (9995, 215090), (19990, 107545), (21509, 99950), (43018, 49975)]