142698890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^3\times {\mathrm{479}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 265973760

約数和(自身を除く): 123274870

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 479, 958, 961, 1922, 2395, 4790, 4805, 9610, 14849, 29698, 29791, 59582, 74245, 148490, 148955, 297910, 460319, 920638, 2301595, 4603190, 14269889, 28539778, 71349445, 142698890]

約数ペア:

[(1, 142698890), (2, 71349445), (5, 28539778), (10, 14269889), (31, 4603190), (62, 2301595), (155, 920638), (310, 460319), (479, 297910), (958, 148955), (961, 148490), (1922, 74245), (2395, 59582), (4790, 29791), (4805, 29698), (9610, 14849)]