200971290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{515311}}^1$

素因数の和:515334

約数の個数: 32

約数和(自身を含む): 519434496

約数和(自身を除く): 318463206

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 515311, 1030622, 1545933, 2576555, 3091866, 5153110, 6699043, 7729665, 13398086, 15459330, 20097129, 33495215, 40194258, 66990430, 100485645, 200971290]

約数ペア:

[(1, 200971290), (2, 100485645), (3, 66990430), (5, 40194258), (6, 33495215), (10, 20097129), (13, 15459330), (15, 13398086), (26, 7729665), (30, 6699043), (39, 5153110), (65, 3091866), (78, 2576555), (130, 1545933), (195, 1030622), (390, 515311)]