199780420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{49207}}^1$

素因数の和:49252

約数の個数: 48

約数和(自身を含む): 496016640

約数和(自身を除く): 296236220

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, 49207, 98414, 196828, 246035, 344449, 492070, 688898, 984140, 1377796, 1427003, 1722245, 2854006, 3444490, 5708012, 6888980, 7135015, 9989021, 14270030, 19978042, 28540060, 39956084, 49945105, 99890210, 199780420]

約数ペア:

[(1, 199780420), (2, 99890210), (4, 49945105), (5, 39956084), (7, 28540060), (10, 19978042), (14, 14270030), (20, 9989021), (28, 7135015), (29, 6888980), (35, 5708012), (58, 3444490), (70, 2854006), (116, 1722245), (140, 1427003), (145, 1377796), (203, 984140), (290, 688898), (406, 492070), (580, 344449), (812, 246035), (1015, 196828), (2030, 98414), (4060, 49207)]