266965640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{673}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 617276160

約数和(自身を除く): 350310520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 211, 235, 376, 422, 470, 673, 844, 940, 1055, 1346, 1688, 1880, 2110, 2692, 3365, 4220, 5384, 6730, 8440, 9917, 13460, 19834, 26920, 31631, 39668, 49585, 63262, 79336, 99170, 126524, 142003, 158155, 198340, 253048, 284006, 316310, 396680, 568012, 632620, 710015, 1136024, 1265240, 1420030, 2840060, 5680120, 6674141, 13348282, 26696564, 33370705, 53393128, 66741410, 133482820, 266965640]

約数ペア:

[(1, 266965640), (2, 133482820), (4, 66741410), (5, 53393128), (8, 33370705), (10, 26696564), (20, 13348282), (40, 6674141), (47, 5680120), (94, 2840060), (188, 1420030), (211, 1265240), (235, 1136024), (376, 710015), (422, 632620), (470, 568012), (673, 396680), (844, 316310), (940, 284006), (1055, 253048), (1346, 198340), (1688, 158155), (1880, 142003), (2110, 126524), (2692, 99170), (3365, 79336), (4220, 63262), (5384, 49585), (6730, 39668), (8440, 31631), (9917, 26920), (13460, 19834)]