720781348

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{1451}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 1464591744

約数和(自身を除く): 743810396

約数列:

[1, 2, 4, 7, 14, 28, 113, 157, 226, 314, 452, 628, 791, 1099, 1451, 1582, 2198, 2902, 3164, 4396, 5804, 10157, 17741, 20314, 35482, 40628, 70964, 124187, 163963, 227807, 248374, 327926, 455614, 496748, 655852, 911228, 1147741, 1594649, 2295482, 3189298, 4590964, 6378596, 25742191, 51484382, 102968764, 180195337, 360390674, 720781348]

約数ペア:

[(1, 720781348), (2, 360390674), (4, 180195337), (7, 102968764), (14, 51484382), (28, 25742191), (113, 6378596), (157, 4590964), (226, 3189298), (314, 2295482), (452, 1594649), (628, 1147741), (791, 911228), (1099, 655852), (1451, 496748), (1582, 455614), (2198, 327926), (2902, 248374), (3164, 227807), (4396, 163963), (5804, 124187), (10157, 70964), (17741, 40628), (20314, 35482)]