173663380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4007}}^1$

素因数の和:4224

約数の個数: 48

約数和(自身を含む): 399966336

約数和(自身を除く): 226302956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2167, 3940, 4007, 4334, 8014, 8668, 10835, 16028, 20035, 21670, 40070, 43340, 44077, 80140, 88154, 176308, 220385, 440770, 789379, 881540, 1578758, 3157516, 3946895, 7893790, 8683169, 15787580, 17366338, 34732676, 43415845, 86831690, 173663380]

約数ペア:

[(1, 173663380), (2, 86831690), (4, 43415845), (5, 34732676), (10, 17366338), (11, 15787580), (20, 8683169), (22, 7893790), (44, 3946895), (55, 3157516), (110, 1578758), (197, 881540), (220, 789379), (394, 440770), (788, 220385), (985, 176308), (1970, 88154), (2167, 80140), (3940, 44077), (4007, 43340), (4334, 40070), (8014, 21670), (8668, 20035), (10835, 16028)]