210220268

素因数分解:

$2^2\times {\mathrm{167}}^1\times {\mathrm{389}}^1\times {\mathrm{809}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 371498400

約数和(自身を除く): 161278132

約数列:

[1, 2, 4, 167, 334, 389, 668, 778, 809, 1556, 1618, 3236, 64963, 129926, 135103, 259852, 270206, 314701, 540412, 629402, 1258804, 52555067, 105110134, 210220268]

約数ペア:

[(1, 210220268), (2, 105110134), (4, 52555067), (167, 1258804), (334, 629402), (389, 540412), (668, 314701), (778, 270206), (809, 259852), (1556, 135103), (1618, 129926), (3236, 64963)]