180344990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{1907}}^1$

素因数の和:2121

約数の個数: 48

約数和(自身を含む): 379775952

約数和(自身を除く): 199430962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 193, 245, 386, 490, 965, 1351, 1907, 1930, 2702, 3814, 6755, 9457, 9535, 13349, 13510, 18914, 19070, 26698, 47285, 66745, 93443, 94570, 133490, 186886, 368051, 467215, 736102, 934430, 1840255, 2576357, 3680510, 5152714, 12881785, 18034499, 25763570, 36068998, 90172495, 180344990]

約数ペア:

[(1, 180344990), (2, 90172495), (5, 36068998), (7, 25763570), (10, 18034499), (14, 12881785), (35, 5152714), (49, 3680510), (70, 2576357), (98, 1840255), (193, 934430), (245, 736102), (386, 467215), (490, 368051), (965, 186886), (1351, 133490), (1907, 94570), (1930, 93443), (2702, 66745), (3814, 47285), (6755, 26698), (9457, 19070), (9535, 18914), (13349, 13510)]