816355220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{29947}}^1$

素因数の和:30032

約数の個数: 48

約数和(自身を含む): 1811255040

約数和(自身を除く): 994899820

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 940, 1363, 2726, 5452, 6815, 13630, 27260, 29947, 59894, 119788, 149735, 299470, 598940, 868463, 1407509, 1736926, 2815018, 3473852, 4342315, 5630036, 7037545, 8684630, 14075090, 17369260, 28150180, 40817761, 81635522, 163271044, 204088805, 408177610, 816355220]

約数ペア:

[(1, 816355220), (2, 408177610), (4, 204088805), (5, 163271044), (10, 81635522), (20, 40817761), (29, 28150180), (47, 17369260), (58, 14075090), (94, 8684630), (116, 7037545), (145, 5630036), (188, 4342315), (235, 3473852), (290, 2815018), (470, 1736926), (580, 1407509), (940, 868463), (1363, 598940), (2726, 299470), (5452, 149735), (6815, 119788), (13630, 59894), (27260, 29947)]