189698980

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{15473}}^1$

素因数の和:16095

約数の個数: 24

約数和(自身を含む): 399043512

約数和(自身を除く): 209344532

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 6130, 12260, 15473, 30946, 61892, 77365, 154730, 309460, 9484949, 18969898, 37939796, 47424745, 94849490, 189698980]

約数ペア:

[(1, 189698980), (2, 94849490), (4, 47424745), (5, 37939796), (10, 18969898), (20, 9484949), (613, 309460), (1226, 154730), (2452, 77365), (3065, 61892), (6130, 30946), (12260, 15473)]