199450420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59009}}^1$

素因数の和:59044

約数の個数: 36

約数和(自身を含む): 453550860

約数和(自身を除く): 254100440

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 59009, 118018, 236036, 295045, 590090, 767117, 1180180, 1534234, 3068468, 3835585, 7671170, 9972521, 15342340, 19945042, 39890084, 49862605, 99725210, 199450420]

約数ペア:

[(1, 199450420), (2, 99725210), (4, 49862605), (5, 39890084), (10, 19945042), (13, 15342340), (20, 9972521), (26, 7671170), (52, 3835585), (65, 3068468), (130, 1534234), (169, 1180180), (260, 767117), (338, 590090), (676, 295045), (845, 236036), (1690, 118018), (3380, 59009)]