201908380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{142189}}^1$

素因数の和:142269

約数の個数: 24

約数和(自身を含む): 429982560

約数和(自身を除く): 228074180

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 142189, 284378, 568756, 710945, 1421890, 2843780, 10095419, 20190838, 40381676, 50477095, 100954190, 201908380]

約数ペア:

[(1, 201908380), (2, 100954190), (4, 50477095), (5, 40381676), (10, 20190838), (20, 10095419), (71, 2843780), (142, 1421890), (284, 710945), (355, 568756), (710, 284378), (1420, 142189)]