13722220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 30391200

約数和(自身を除く): 16668980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 401, 580, 590, 802, 1180, 1604, 1711, 2005, 3422, 4010, 6844, 8020, 8555, 11629, 17110, 23258, 23659, 34220, 46516, 47318, 58145, 94636, 116290, 118295, 232580, 236590, 473180, 686111, 1372222, 2744444, 3430555, 6861110, 13722220]

約数ペア:

[(1, 13722220), (2, 6861110), (4, 3430555), (5, 2744444), (10, 1372222), (20, 686111), (29, 473180), (58, 236590), (59, 232580), (116, 118295), (118, 116290), (145, 94636), (236, 58145), (290, 47318), (295, 46516), (401, 34220), (580, 23659), (590, 23258), (802, 17110), (1180, 11629), (1604, 8555), (1711, 8020), (2005, 6844), (3422, 4010)]