2068940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 4644864

約数和(自身を除く): 2575924

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 71, 94, 124, 142, 155, 188, 235, 284, 310, 355, 470, 620, 710, 940, 1420, 1457, 2201, 2914, 3337, 4402, 5828, 6674, 7285, 8804, 11005, 13348, 14570, 16685, 22010, 29140, 33370, 44020, 66740, 103447, 206894, 413788, 517235, 1034470, 2068940]

約数ペア:

[(1, 2068940), (2, 1034470), (4, 517235), (5, 413788), (10, 206894), (20, 103447), (31, 66740), (47, 44020), (62, 33370), (71, 29140), (94, 22010), (124, 16685), (142, 14570), (155, 13348), (188, 11005), (235, 8804), (284, 7285), (310, 6674), (355, 5828), (470, 4402), (620, 3337), (710, 2914), (940, 2201), (1420, 1457)]