279459040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{249517}}^1$

素因数の和:249539

約数の個数: 48

約数和(自身を含む): 754542432

約数和(自身を除く): 475083392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 249517, 499034, 998068, 1247585, 1746619, 1996136, 2495170, 3493238, 3992272, 4990340, 6986476, 7984544, 8733095, 9980680, 13972952, 17466190, 19961360, 27945904, 34932380, 39922720, 55891808, 69864760, 139729520, 279459040]

約数ペア:

[(1, 279459040), (2, 139729520), (4, 69864760), (5, 55891808), (7, 39922720), (8, 34932380), (10, 27945904), (14, 19961360), (16, 17466190), (20, 13972952), (28, 9980680), (32, 8733095), (35, 7984544), (40, 6986476), (56, 4990340), (70, 3992272), (80, 3493238), (112, 2495170), (140, 1996136), (160, 1746619), (224, 1247585), (280, 998068), (560, 499034), (1120, 249517)]