164401580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{40493}}^1$

素因数の和:40538

約数の個数: 48

約数和(自身を含む): 408179520

約数和(自身を除く): 243777940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 40493, 80986, 161972, 202465, 283451, 404930, 566902, 809860, 1133804, 1174297, 1417255, 2348594, 2834510, 4697188, 5669020, 5871485, 8220079, 11742970, 16440158, 23485940, 32880316, 41100395, 82200790, 164401580]

約数ペア:

[(1, 164401580), (2, 82200790), (4, 41100395), (5, 32880316), (7, 23485940), (10, 16440158), (14, 11742970), (20, 8220079), (28, 5871485), (29, 5669020), (35, 4697188), (58, 2834510), (70, 2348594), (116, 1417255), (140, 1174297), (145, 1133804), (203, 809860), (290, 566902), (406, 404930), (580, 283451), (812, 202465), (1015, 161972), (2030, 80986), (4060, 40493)]