243042920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{58991}}^1$

素因数の和:59105

約数の個数: 32

約数和(自身を含む): 552165120

約数和(自身を除く): 309122200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 58991, 117982, 235964, 294955, 471928, 589910, 1179820, 2359640, 6076073, 12152146, 24304292, 30380365, 48608584, 60760730, 121521460, 243042920]

約数ペア:

[(1, 243042920), (2, 121521460), (4, 60760730), (5, 48608584), (8, 30380365), (10, 24304292), (20, 12152146), (40, 6076073), (103, 2359640), (206, 1179820), (412, 589910), (515, 471928), (824, 294955), (1030, 235964), (2060, 117982), (4120, 58991)]