202218280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1907}}^1$

素因数の和:2170

約数の個数: 64

約数和(自身を含む): 498674880

約数和(自身を除く): 296456600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 241, 440, 482, 964, 1205, 1907, 1928, 2410, 2651, 3814, 4820, 5302, 7628, 9535, 9640, 10604, 13255, 15256, 19070, 20977, 21208, 26510, 38140, 41954, 53020, 76280, 83908, 104885, 106040, 167816, 209770, 419540, 459587, 839080, 919174, 1838348, 2297935, 3676696, 4595870, 5055457, 9191740, 10110914, 18383480, 20221828, 25277285, 40443656, 50554570, 101109140, 202218280]

約数ペア:

[(1, 202218280), (2, 101109140), (4, 50554570), (5, 40443656), (8, 25277285), (10, 20221828), (11, 18383480), (20, 10110914), (22, 9191740), (40, 5055457), (44, 4595870), (55, 3676696), (88, 2297935), (110, 1838348), (220, 919174), (241, 839080), (440, 459587), (482, 419540), (964, 209770), (1205, 167816), (1907, 106040), (1928, 104885), (2410, 83908), (2651, 76280), (3814, 53020), (4820, 41954), (5302, 38140), (7628, 26510), (9535, 21208), (9640, 20977), (10604, 19070), (13255, 15256)]