420896728

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1697}}^1$

素因数の和:1856

約数の個数: 64

約数和(自身を含む): 932405760

約数和(自身を除く): 511509032

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 103, 172, 206, 301, 344, 412, 602, 721, 824, 1204, 1442, 1697, 2408, 2884, 3394, 4429, 5768, 6788, 8858, 11879, 13576, 17716, 23758, 31003, 35432, 47516, 62006, 72971, 95032, 124012, 145942, 174791, 248024, 291884, 349582, 510797, 583768, 699164, 1021594, 1223537, 1398328, 2043188, 2447074, 4086376, 4894148, 7516013, 9788296, 15032026, 30064052, 52612091, 60128104, 105224182, 210448364, 420896728]

約数ペア:

[(1, 420896728), (2, 210448364), (4, 105224182), (7, 60128104), (8, 52612091), (14, 30064052), (28, 15032026), (43, 9788296), (56, 7516013), (86, 4894148), (103, 4086376), (172, 2447074), (206, 2043188), (301, 1398328), (344, 1223537), (412, 1021594), (602, 699164), (721, 583768), (824, 510797), (1204, 349582), (1442, 291884), (1697, 248024), (2408, 174791), (2884, 145942), (3394, 124012), (4429, 95032), (5768, 72971), (6788, 62006), (8858, 47516), (11879, 35432), (13576, 31003), (17716, 23758)]