2172136820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3631}}^1\times {\mathrm{4273}}^1$

素因数の和:7920

約数の個数: 48

約数和(自身を含む): 5215784448

約数和(自身を除く): 3043647628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3631, 4273, 7262, 8546, 14524, 17092, 18155, 21365, 25417, 29911, 36310, 42730, 50834, 59822, 72620, 85460, 101668, 119644, 127085, 149555, 254170, 299110, 508340, 598220, 15515263, 31030526, 62061052, 77576315, 108606841, 155152630, 217213682, 310305260, 434427364, 543034205, 1086068410, 2172136820]

約数ペア:

[(1, 2172136820), (2, 1086068410), (4, 543034205), (5, 434427364), (7, 310305260), (10, 217213682), (14, 155152630), (20, 108606841), (28, 77576315), (35, 62061052), (70, 31030526), (140, 15515263), (3631, 598220), (4273, 508340), (7262, 299110), (8546, 254170), (14524, 149555), (17092, 127085), (18155, 119644), (21365, 101668), (25417, 85460), (29911, 72620), (36310, 59822), (42730, 50834)]