2019128845

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 2665344528

約数和(自身を除く): 646215683

約数列:

[1, 5, 17, 41, 85, 173, 197, 205, 289, 697, 865, 985, 1445, 2941, 3349, 3485, 7093, 8077, 11849, 14705, 16745, 34081, 35465, 40385, 49997, 56933, 59245, 120581, 137309, 170405, 249985, 284665, 579377, 602905, 686545, 1397321, 2049877, 2334253, 2896885, 6986605, 9849409, 10249385, 11671265, 23754457, 49247045, 118772285, 403825769, 2019128845]

約数ペア:

[(1, 2019128845), (5, 403825769), (17, 118772285), (41, 49247045), (85, 23754457), (173, 11671265), (197, 10249385), (205, 9849409), (289, 6986605), (697, 2896885), (865, 2334253), (985, 2049877), (1445, 1397321), (2941, 686545), (3349, 602905), (3485, 579377), (7093, 284665), (8077, 249985), (11849, 170405), (14705, 137309), (16745, 120581), (34081, 59245), (35465, 56933), (40385, 49997)]