320430860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{1583}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 698544000

約数和(自身を除く): 378113140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 349, 580, 698, 1396, 1583, 1745, 3166, 3490, 6332, 6980, 7915, 10121, 15830, 20242, 31660, 40484, 45907, 50605, 91814, 101210, 183628, 202420, 229535, 459070, 552467, 918140, 1104934, 2209868, 2762335, 5524670, 11049340, 16021543, 32043086, 64086172, 80107715, 160215430, 320430860]

約数ペア:

[(1, 320430860), (2, 160215430), (4, 80107715), (5, 64086172), (10, 32043086), (20, 16021543), (29, 11049340), (58, 5524670), (116, 2762335), (145, 2209868), (290, 1104934), (349, 918140), (580, 552467), (698, 459070), (1396, 229535), (1583, 202420), (1745, 183628), (3166, 101210), (3490, 91814), (6332, 50605), (6980, 45907), (7915, 40484), (10121, 31660), (15830, 20242)]