2392940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 5594400

約数和(自身を除く): 3201460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 149, 220, 292, 298, 365, 596, 730, 745, 803, 1460, 1490, 1606, 1639, 2980, 3212, 3278, 4015, 6556, 8030, 8195, 10877, 16060, 16390, 21754, 32780, 43508, 54385, 108770, 119647, 217540, 239294, 478588, 598235, 1196470, 2392940]

約数ペア:

[(1, 2392940), (2, 1196470), (4, 598235), (5, 478588), (10, 239294), (11, 217540), (20, 119647), (22, 108770), (44, 54385), (55, 43508), (73, 32780), (110, 21754), (146, 16390), (149, 16060), (220, 10877), (292, 8195), (298, 8030), (365, 6556), (596, 4015), (730, 3278), (745, 3212), (803, 2980), (1460, 1639), (1490, 1606)]