100409900

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{3907}}^1$

素因数の和:4178

約数の個数: 36

約数和(自身を含む): 218793288

約数和(自身を除く): 118383388

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 1028, 1285, 2570, 3907, 5140, 6425, 7814, 12850, 15628, 19535, 25700, 39070, 78140, 97675, 195350, 390700, 1004099, 2008198, 4016396, 5020495, 10040990, 20081980, 25102475, 50204950, 100409900]

約数ペア:

[(1, 100409900), (2, 50204950), (4, 25102475), (5, 20081980), (10, 10040990), (20, 5020495), (25, 4016396), (50, 2008198), (100, 1004099), (257, 390700), (514, 195350), (1028, 97675), (1285, 78140), (2570, 39070), (3907, 25700), (5140, 19535), (6425, 15628), (7814, 12850)]