213146860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{145991}}^1$

素因数の和:146073

約数の個数: 24

約数和(自身を含む): 453743136

約数和(自身を除く): 240596276

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 145991, 291982, 583964, 729955, 1459910, 2919820, 10657343, 21314686, 42629372, 53286715, 106573430, 213146860]

約数ペア:

[(1, 213146860), (2, 106573430), (4, 53286715), (5, 42629372), (10, 21314686), (20, 10657343), (73, 2919820), (146, 1459910), (292, 729955), (365, 583964), (730, 291982), (1460, 145991)]