2185778820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{90847}}^1$

素因数の和:91260

約数の個数: 48

約数和(自身を含む): 6135510528

約数和(自身を除く): 3949731708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 802, 1203, 1604, 2005, 2406, 4010, 4812, 6015, 8020, 12030, 24060, 90847, 181694, 272541, 363388, 454235, 545082, 908470, 1090164, 1362705, 1816940, 2725410, 5450820, 36429647, 72859294, 109288941, 145718588, 182148235, 218577882, 364296470, 437155764, 546444705, 728592940, 1092889410, 2185778820]

約数ペア:

[(1, 2185778820), (2, 1092889410), (3, 728592940), (4, 546444705), (5, 437155764), (6, 364296470), (10, 218577882), (12, 182148235), (15, 145718588), (20, 109288941), (30, 72859294), (60, 36429647), (401, 5450820), (802, 2725410), (1203, 1816940), (1604, 1362705), (2005, 1090164), (2406, 908470), (4010, 545082), (4812, 454235), (6015, 363388), (8020, 272541), (12030, 181694), (24060, 90847)]