628460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^2$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 1531152

約数和(自身を除く): 902692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4489, 4690, 8978, 9380, 17956, 22445, 31423, 44890, 62846, 89780, 125692, 157115, 314230, 628460]

約数ペア:

[(1, 628460), (2, 314230), (4, 157115), (5, 125692), (7, 89780), (10, 62846), (14, 44890), (20, 31423), (28, 22445), (35, 17956), (67, 9380), (70, 8978), (134, 4690), (140, 4489), (268, 2345), (335, 1876), (469, 1340), (670, 938)]