1927165780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{12451}}^1$

素因数の和:12640

約数の個数: 48

約数和(自身を含む): 4142033280

約数和(自身を除く): 2214867500

約数列:

[1, 2, 4, 5, 10, 20, 71, 109, 142, 218, 284, 355, 436, 545, 710, 1090, 1420, 2180, 7739, 12451, 15478, 24902, 30956, 38695, 49804, 62255, 77390, 124510, 154780, 249020, 884021, 1357159, 1768042, 2714318, 3536084, 4420105, 5428636, 6785795, 8840210, 13571590, 17680420, 27143180, 96358289, 192716578, 385433156, 481791445, 963582890, 1927165780]

約数ペア:

[(1, 1927165780), (2, 963582890), (4, 481791445), (5, 385433156), (10, 192716578), (20, 96358289), (71, 27143180), (109, 17680420), (142, 13571590), (218, 8840210), (284, 6785795), (355, 5428636), (436, 4420105), (545, 3536084), (710, 2714318), (1090, 1768042), (1420, 1357159), (2180, 884021), (7739, 249020), (12451, 154780), (15478, 124510), (24902, 77390), (30956, 62255), (38695, 49804)]