139472020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{1259}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 304819200

約数和(自身を除く): 165347180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 191, 290, 382, 580, 764, 955, 1259, 1910, 2518, 3820, 5036, 5539, 6295, 11078, 12590, 22156, 25180, 27695, 36511, 55390, 73022, 110780, 146044, 182555, 240469, 365110, 480938, 730220, 961876, 1202345, 2404690, 4809380, 6973601, 13947202, 27894404, 34868005, 69736010, 139472020]

約数ペア:

[(1, 139472020), (2, 69736010), (4, 34868005), (5, 27894404), (10, 13947202), (20, 6973601), (29, 4809380), (58, 2404690), (116, 1202345), (145, 961876), (191, 730220), (290, 480938), (382, 365110), (580, 240469), (764, 182555), (955, 146044), (1259, 110780), (1910, 73022), (2518, 55390), (3820, 36511), (5036, 27695), (5539, 25180), (6295, 22156), (11078, 12590)]