1409990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 2751840

約数和(自身を除く): 1341850

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 181, 190, 205, 362, 410, 779, 905, 1558, 1810, 3439, 3895, 6878, 7421, 7790, 14842, 17195, 34390, 37105, 74210, 140999, 281998, 704995, 1409990]

約数ペア:

[(1, 1409990), (2, 704995), (5, 281998), (10, 140999), (19, 74210), (38, 37105), (41, 34390), (82, 17195), (95, 14842), (181, 7790), (190, 7421), (205, 6878), (362, 3895), (410, 3439), (779, 1810), (905, 1558)]