388202420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1\times {\mathrm{641}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 827039808

約数和(自身を除く): 438837388

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 283, 428, 535, 566, 641, 1070, 1132, 1282, 1415, 2140, 2564, 2830, 3205, 5660, 6410, 12820, 30281, 60562, 68587, 121124, 137174, 151405, 181403, 274348, 302810, 342935, 362806, 605620, 685870, 725612, 907015, 1371740, 1814030, 3628060, 19410121, 38820242, 77640484, 97050605, 194101210, 388202420]

約数ペア:

[(1, 388202420), (2, 194101210), (4, 97050605), (5, 77640484), (10, 38820242), (20, 19410121), (107, 3628060), (214, 1814030), (283, 1371740), (428, 907015), (535, 725612), (566, 685870), (641, 605620), (1070, 362806), (1132, 342935), (1282, 302810), (1415, 274348), (2140, 181403), (2564, 151405), (2830, 137174), (3205, 121124), (5660, 68587), (6410, 60562), (12820, 30281)]