643337180

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1\times {\mathrm{1193}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 1378067040

約数和(自身を除く): 734729860

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 457, 590, 914, 1180, 1193, 1828, 2285, 2386, 4570, 4772, 5965, 9140, 11930, 23860, 26963, 53926, 70387, 107852, 134815, 140774, 269630, 281548, 351935, 539260, 545201, 703870, 1090402, 1407740, 2180804, 2726005, 5452010, 10904020, 32166859, 64333718, 128667436, 160834295, 321668590, 643337180]

約数ペア:

[(1, 643337180), (2, 321668590), (4, 160834295), (5, 128667436), (10, 64333718), (20, 32166859), (59, 10904020), (118, 5452010), (236, 2726005), (295, 2180804), (457, 1407740), (590, 1090402), (914, 703870), (1180, 545201), (1193, 539260), (1828, 351935), (2285, 281548), (2386, 269630), (4570, 140774), (4772, 134815), (5965, 107852), (9140, 70387), (11930, 53926), (23860, 26963)]