18858700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 48434400

約数和(自身を除く): 29575700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 929, 1015, 1450, 1858, 2030, 2900, 3716, 4060, 4645, 5075, 6503, 9290, 10150, 13006, 18580, 20300, 23225, 26012, 26941, 32515, 46450, 53882, 65030, 92900, 107764, 130060, 134705, 162575, 188587, 269410, 325150, 377174, 538820, 650300, 673525, 754348, 942935, 1347050, 1885870, 2694100, 3771740, 4714675, 9429350, 18858700]

約数ペア:

[(1, 18858700), (2, 9429350), (4, 4714675), (5, 3771740), (7, 2694100), (10, 1885870), (14, 1347050), (20, 942935), (25, 754348), (28, 673525), (29, 650300), (35, 538820), (50, 377174), (58, 325150), (70, 269410), (100, 188587), (116, 162575), (140, 134705), (145, 130060), (175, 107764), (203, 92900), (290, 65030), (350, 53882), (406, 46450), (580, 32515), (700, 26941), (725, 26012), (812, 23225), (929, 20300), (1015, 18580), (1450, 13006), (1858, 10150), (2030, 9290), (2900, 6503), (3716, 5075), (4060, 4645)]