2871880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 7231680

約数和(自身を除く): 4359800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 107, 110, 122, 214, 220, 244, 305, 428, 440, 488, 535, 610, 671, 856, 1070, 1177, 1220, 1342, 2140, 2354, 2440, 2684, 3355, 4280, 4708, 5368, 5885, 6527, 6710, 9416, 11770, 13054, 13420, 23540, 26108, 26840, 32635, 47080, 52216, 65270, 71797, 130540, 143594, 261080, 287188, 358985, 574376, 717970, 1435940, 2871880]

約数ペア:

[(1, 2871880), (2, 1435940), (4, 717970), (5, 574376), (8, 358985), (10, 287188), (11, 261080), (20, 143594), (22, 130540), (40, 71797), (44, 65270), (55, 52216), (61, 47080), (88, 32635), (107, 26840), (110, 26108), (122, 23540), (214, 13420), (220, 13054), (244, 11770), (305, 9416), (428, 6710), (440, 6527), (488, 5885), (535, 5368), (610, 4708), (671, 4280), (856, 3355), (1070, 2684), (1177, 2440), (1220, 2354), (1342, 2140)]