489508760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20029}}^1$

素因数の和:20100

約数の個数: 64

約数和(自身を含む): 1211414400

約数和(自身を除く): 721905640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 4888, 6110, 12220, 20029, 24440, 40058, 80116, 100145, 160232, 200290, 260377, 400580, 520754, 801160, 941363, 1041508, 1301885, 1882726, 2083016, 2603770, 3765452, 4706815, 5207540, 7530904, 9413630, 10415080, 12237719, 18827260, 24475438, 37654520, 48950876, 61188595, 97901752, 122377190, 244754380, 489508760]

約数ペア:

[(1, 489508760), (2, 244754380), (4, 122377190), (5, 97901752), (8, 61188595), (10, 48950876), (13, 37654520), (20, 24475438), (26, 18827260), (40, 12237719), (47, 10415080), (52, 9413630), (65, 7530904), (94, 5207540), (104, 4706815), (130, 3765452), (188, 2603770), (235, 2083016), (260, 1882726), (376, 1301885), (470, 1041508), (520, 941363), (611, 801160), (940, 520754), (1222, 400580), (1880, 260377), (2444, 200290), (3055, 160232), (4888, 100145), (6110, 80116), (12220, 40058), (20029, 24440)]