201266440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 465393600

約数和(自身を除く): 264127160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 139, 212, 265, 278, 424, 530, 556, 683, 695, 1060, 1112, 1366, 1390, 2120, 2732, 2780, 3415, 5464, 5560, 6830, 7367, 13660, 14734, 27320, 29468, 36199, 36835, 58936, 72398, 73670, 94937, 144796, 147340, 180995, 189874, 289592, 294680, 361990, 379748, 474685, 723980, 759496, 949370, 1447960, 1898740, 3797480, 5031661, 10063322, 20126644, 25158305, 40253288, 50316610, 100633220, 201266440]

約数ペア:

[(1, 201266440), (2, 100633220), (4, 50316610), (5, 40253288), (8, 25158305), (10, 20126644), (20, 10063322), (40, 5031661), (53, 3797480), (106, 1898740), (139, 1447960), (212, 949370), (265, 759496), (278, 723980), (424, 474685), (530, 379748), (556, 361990), (683, 294680), (695, 289592), (1060, 189874), (1112, 180995), (1366, 147340), (1390, 144796), (2120, 94937), (2732, 73670), (2780, 72398), (3415, 58936), (5464, 36835), (5560, 36199), (6830, 29468), (7367, 27320), (13660, 14734)]