207969020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10687}}^1$

素因数の和:10842

約数の個数: 48

約数和(自身を含む): 502763520

約数和(自身を除く): 294794500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 10687, 19460, 21374, 42748, 53435, 74809, 106870, 149618, 213740, 299236, 374045, 748090, 1485493, 1496180, 2970986, 5941972, 7427465, 10398451, 14854930, 20796902, 29709860, 41593804, 51992255, 103984510, 207969020]

約数ペア:

[(1, 207969020), (2, 103984510), (4, 51992255), (5, 41593804), (7, 29709860), (10, 20796902), (14, 14854930), (20, 10398451), (28, 7427465), (35, 5941972), (70, 2970986), (139, 1496180), (140, 1485493), (278, 748090), (556, 374045), (695, 299236), (973, 213740), (1390, 149618), (1946, 106870), (2780, 74809), (3892, 53435), (4865, 42748), (9730, 21374), (10687, 19460)]