229146520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 525657600

約数和(自身を除く): 296511080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 191, 337, 356, 382, 445, 674, 712, 764, 890, 955, 1348, 1528, 1685, 1780, 1910, 2696, 3370, 3560, 3820, 6740, 7640, 13480, 16999, 29993, 33998, 59986, 64367, 67996, 84995, 119972, 128734, 135992, 149965, 169990, 239944, 257468, 299930, 321835, 339980, 514936, 599860, 643670, 679960, 1199720, 1287340, 2574680, 5728663, 11457326, 22914652, 28643315, 45829304, 57286630, 114573260, 229146520]

約数ペア:

[(1, 229146520), (2, 114573260), (4, 57286630), (5, 45829304), (8, 28643315), (10, 22914652), (20, 11457326), (40, 5728663), (89, 2574680), (178, 1287340), (191, 1199720), (337, 679960), (356, 643670), (382, 599860), (445, 514936), (674, 339980), (712, 321835), (764, 299930), (890, 257468), (955, 239944), (1348, 169990), (1528, 149965), (1685, 135992), (1780, 128734), (1910, 119972), (2696, 84995), (3370, 67996), (3560, 64367), (3820, 59986), (6740, 33998), (7640, 29993), (13480, 16999)]