249946490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^3\times {\mathrm{839}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 465454080

約数和(自身を除く): 215507590

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 839, 961, 1678, 1922, 4195, 4805, 8390, 9610, 26009, 29791, 52018, 59582, 130045, 148955, 260090, 297910, 806279, 1612558, 4031395, 8062790, 24994649, 49989298, 124973245, 249946490]

約数ペア:

[(1, 249946490), (2, 124973245), (5, 49989298), (10, 24994649), (31, 8062790), (62, 4031395), (155, 1612558), (310, 806279), (839, 297910), (961, 260090), (1678, 148955), (1922, 130045), (4195, 59582), (4805, 52018), (8390, 29791), (9610, 26009)]