201969320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721319}}^1$

素因数の和:721337

約数の個数: 32

約数和(自身を含む): 519350400

約数和(自身を除く): 317381080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721319, 1442638, 2885276, 3606595, 5049233, 5770552, 7213190, 10098466, 14426380, 20196932, 25246165, 28852760, 40393864, 50492330, 100984660, 201969320]

約数ペア:

[(1, 201969320), (2, 100984660), (4, 50492330), (5, 40393864), (7, 28852760), (8, 25246165), (10, 20196932), (14, 14426380), (20, 10098466), (28, 7213190), (35, 5770552), (40, 5049233), (56, 3606595), (70, 2885276), (140, 1442638), (280, 721319)]