2290280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 5322240

約数和(自身を除く): 3031960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1847, 3694, 7388, 9235, 14776, 18470, 36940, 57257, 73880, 114514, 229028, 286285, 458056, 572570, 1145140, 2290280]

約数ペア:

[(1, 2290280), (2, 1145140), (4, 572570), (5, 458056), (8, 286285), (10, 229028), (20, 114514), (31, 73880), (40, 57257), (62, 36940), (124, 18470), (155, 14776), (248, 9235), (310, 7388), (620, 3694), (1240, 1847)]