2531060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 6168960

約数和(自身を除く): 3637900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 179, 202, 358, 404, 505, 707, 716, 895, 1010, 1253, 1414, 1790, 2020, 2506, 2828, 3535, 3580, 5012, 6265, 7070, 12530, 14140, 18079, 25060, 36158, 72316, 90395, 126553, 180790, 253106, 361580, 506212, 632765, 1265530, 2531060]

約数ペア:

[(1, 2531060), (2, 1265530), (4, 632765), (5, 506212), (7, 361580), (10, 253106), (14, 180790), (20, 126553), (28, 90395), (35, 72316), (70, 36158), (101, 25060), (140, 18079), (179, 14140), (202, 12530), (358, 7070), (404, 6265), (505, 5012), (707, 3580), (716, 3535), (895, 2828), (1010, 2506), (1253, 2020), (1414, 1790)]