417880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 973440

約数和(自身を除く): 555560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 337, 620, 674, 1240, 1348, 1685, 2696, 3370, 6740, 10447, 13480, 20894, 41788, 52235, 83576, 104470, 208940, 417880]

約数ペア:

[(1, 417880), (2, 208940), (4, 104470), (5, 83576), (8, 52235), (10, 41788), (20, 20894), (31, 13480), (40, 10447), (62, 6740), (124, 3370), (155, 2696), (248, 1685), (310, 1348), (337, 1240), (620, 674)]