21902600

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1129}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 51494100

約数和(自身を除く): 29591500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1129, 1940, 2258, 2425, 3880, 4516, 4850, 5645, 9032, 9700, 11290, 19400, 22580, 28225, 45160, 56450, 109513, 112900, 219026, 225800, 438052, 547565, 876104, 1095130, 2190260, 2737825, 4380520, 5475650, 10951300, 21902600]

約数ペア:

[(1, 21902600), (2, 10951300), (4, 5475650), (5, 4380520), (8, 2737825), (10, 2190260), (20, 1095130), (25, 876104), (40, 547565), (50, 438052), (97, 225800), (100, 219026), (194, 112900), (200, 109513), (388, 56450), (485, 45160), (776, 28225), (970, 22580), (1129, 19400), (1940, 11290), (2258, 9700), (2425, 9032), (3880, 5645), (4516, 4850)]