231698620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{643}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 499847040

約数和(自身を除く): 268148420

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 419, 430, 643, 838, 860, 1286, 1676, 2095, 2572, 3215, 4190, 6430, 8380, 12860, 18017, 27649, 36034, 55298, 72068, 90085, 110596, 138245, 180170, 269417, 276490, 360340, 538834, 552980, 1077668, 1347085, 2694170, 5388340, 11584931, 23169862, 46339724, 57924655, 115849310, 231698620]

約数ペア:

[(1, 231698620), (2, 115849310), (4, 57924655), (5, 46339724), (10, 23169862), (20, 11584931), (43, 5388340), (86, 2694170), (172, 1347085), (215, 1077668), (419, 552980), (430, 538834), (643, 360340), (838, 276490), (860, 269417), (1286, 180170), (1676, 138245), (2095, 110596), (2572, 90085), (3215, 72068), (4190, 55298), (6430, 36034), (8380, 27649), (12860, 18017)]