12142420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 27433728

約数和(自身を除く): 15291308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 503, 710, 1006, 1207, 1420, 2012, 2414, 2515, 4828, 5030, 6035, 8551, 10060, 12070, 17102, 24140, 34204, 35713, 42755, 71426, 85510, 142852, 171020, 178565, 357130, 607121, 714260, 1214242, 2428484, 3035605, 6071210, 12142420]

約数ペア:

[(1, 12142420), (2, 6071210), (4, 3035605), (5, 2428484), (10, 1214242), (17, 714260), (20, 607121), (34, 357130), (68, 178565), (71, 171020), (85, 142852), (142, 85510), (170, 71426), (284, 42755), (340, 35713), (355, 34204), (503, 24140), (710, 17102), (1006, 12070), (1207, 10060), (1420, 8551), (2012, 6035), (2414, 5030), (2515, 4828)]