137205320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{490019}}^1$

素因数の和:490037

約数の個数: 32

約数和(自身を含む): 352814400

約数和(自身を除く): 215609080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 490019, 980038, 1960076, 2450095, 3430133, 3920152, 4900190, 6860266, 9800380, 13720532, 17150665, 19600760, 27441064, 34301330, 68602660, 137205320]

約数ペア:

[(1, 137205320), (2, 68602660), (4, 34301330), (5, 27441064), (7, 19600760), (8, 17150665), (10, 13720532), (14, 9800380), (20, 6860266), (28, 4900190), (35, 3920152), (40, 3430133), (56, 2450095), (70, 1960076), (140, 980038), (280, 490019)]