205184020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1\times {\mathrm{449}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 439160400

約数和(自身を除く): 233976380

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 313, 365, 449, 626, 730, 898, 1252, 1460, 1565, 1796, 2245, 3130, 4490, 6260, 8980, 22849, 32777, 45698, 65554, 91396, 114245, 131108, 140537, 163885, 228490, 281074, 327770, 456980, 562148, 655540, 702685, 1405370, 2810740, 10259201, 20518402, 41036804, 51296005, 102592010, 205184020]

約数ペア:

[(1, 205184020), (2, 102592010), (4, 51296005), (5, 41036804), (10, 20518402), (20, 10259201), (73, 2810740), (146, 1405370), (292, 702685), (313, 655540), (365, 562148), (449, 456980), (626, 327770), (730, 281074), (898, 228490), (1252, 163885), (1460, 140537), (1565, 131108), (1796, 114245), (2245, 91396), (3130, 65554), (4490, 45698), (6260, 32777), (8980, 22849)]