988049900

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{41341}}^1$

素因数の和:41594

約数の個数: 36

約数和(自身を含む): 2153091360

約数和(自身を除く): 1165041460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1195, 2390, 4780, 5975, 11950, 23900, 41341, 82682, 165364, 206705, 413410, 826820, 1033525, 2067050, 4134100, 9880499, 19760998, 39521996, 49402495, 98804990, 197609980, 247012475, 494024950, 988049900]

約数ペア:

[(1, 988049900), (2, 494024950), (4, 247012475), (5, 197609980), (10, 98804990), (20, 49402495), (25, 39521996), (50, 19760998), (100, 9880499), (239, 4134100), (478, 2067050), (956, 1033525), (1195, 826820), (2390, 413410), (4780, 206705), (5975, 165364), (11950, 82682), (23900, 41341)]