490637080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{1847}}^1$

素因数の和:2116

約数の個数: 64

約数和(自身を含む): 1147608000

約数和(自身を除く): 656970920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 229, 232, 290, 458, 580, 916, 1145, 1160, 1832, 1847, 2290, 3694, 4580, 6641, 7388, 9160, 9235, 13282, 14776, 18470, 26564, 33205, 36940, 53128, 53563, 66410, 73880, 107126, 132820, 214252, 265640, 267815, 422963, 428504, 535630, 845926, 1071260, 1691852, 2114815, 2142520, 3383704, 4229630, 8459260, 12265927, 16918520, 24531854, 49063708, 61329635, 98127416, 122659270, 245318540, 490637080]

約数ペア:

[(1, 490637080), (2, 245318540), (4, 122659270), (5, 98127416), (8, 61329635), (10, 49063708), (20, 24531854), (29, 16918520), (40, 12265927), (58, 8459260), (116, 4229630), (145, 3383704), (229, 2142520), (232, 2114815), (290, 1691852), (458, 1071260), (580, 845926), (916, 535630), (1145, 428504), (1160, 422963), (1832, 267815), (1847, 265640), (2290, 214252), (3694, 132820), (4580, 107126), (6641, 73880), (7388, 66410), (9160, 53563), (9235, 53128), (13282, 36940), (14776, 33205), (18470, 26564)]