172205320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{615019}}^1$

素因数の和:615037

約数の個数: 32

約数和(自身を含む): 442814400

約数和(自身を除く): 270609080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 615019, 1230038, 2460076, 3075095, 4305133, 4920152, 6150190, 8610266, 12300380, 17220532, 21525665, 24600760, 34441064, 43051330, 86102660, 172205320]

約数ペア:

[(1, 172205320), (2, 86102660), (4, 43051330), (5, 34441064), (7, 24600760), (8, 21525665), (10, 17220532), (14, 12300380), (20, 8610266), (28, 6150190), (35, 4920152), (40, 4305133), (56, 3075095), (70, 2460076), (140, 1230038), (280, 615019)]