2548890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 6709248

約数和(自身を除く): 4160358

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 223, 254, 381, 446, 635, 669, 762, 1115, 1143, 1270, 1338, 1905, 2007, 2230, 2286, 3345, 3810, 4014, 5715, 6690, 10035, 11430, 20070, 28321, 56642, 84963, 141605, 169926, 254889, 283210, 424815, 509778, 849630, 1274445, 2548890]

約数ペア:

[(1, 2548890), (2, 1274445), (3, 849630), (5, 509778), (6, 424815), (9, 283210), (10, 254889), (15, 169926), (18, 141605), (30, 84963), (45, 56642), (90, 28321), (127, 20070), (223, 11430), (254, 10035), (381, 6690), (446, 5715), (635, 4014), (669, 3810), (762, 3345), (1115, 2286), (1143, 2230), (1270, 2007), (1338, 1905)]