421850200

素因数分解:

$2^3\times 5^2\times {\mathrm{661}}^1\times {\mathrm{3191}}^1$

素因数の和:3868

約数の個数: 48

約数和(自身を含む): 982593360

約数和(自身を除く): 560743160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 661, 1322, 2644, 3191, 3305, 5288, 6382, 6610, 12764, 13220, 15955, 16525, 25528, 26440, 31910, 33050, 63820, 66100, 79775, 127640, 132200, 159550, 319100, 638200, 2109251, 4218502, 8437004, 10546255, 16874008, 21092510, 42185020, 52731275, 84370040, 105462550, 210925100, 421850200]

約数ペア:

[(1, 421850200), (2, 210925100), (4, 105462550), (5, 84370040), (8, 52731275), (10, 42185020), (20, 21092510), (25, 16874008), (40, 10546255), (50, 8437004), (100, 4218502), (200, 2109251), (661, 638200), (1322, 319100), (2644, 159550), (3191, 132200), (3305, 127640), (5288, 79775), (6382, 66100), (6610, 63820), (12764, 33050), (13220, 31910), (15955, 26440), (16525, 25528)]