214492700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2079

約数の個数: 72

約数和(自身を含む): 494760000

約数和(自身を除く): 280267300

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 37, 50, 58, 74, 100, 116, 145, 148, 185, 290, 370, 580, 725, 740, 925, 1073, 1450, 1850, 1999, 2146, 2900, 3700, 3998, 4292, 5365, 7996, 9995, 10730, 19990, 21460, 26825, 39980, 49975, 53650, 57971, 73963, 99950, 107300, 115942, 147926, 199900, 231884, 289855, 295852, 369815, 579710, 739630, 1159420, 1449275, 1479260, 1849075, 2144927, 2898550, 3698150, 4289854, 5797100, 7396300, 8579708, 10724635, 21449270, 42898540, 53623175, 107246350, 214492700]

約数ペア:

[(1, 214492700), (2, 107246350), (4, 53623175), (5, 42898540), (10, 21449270), (20, 10724635), (25, 8579708), (29, 7396300), (37, 5797100), (50, 4289854), (58, 3698150), (74, 2898550), (100, 2144927), (116, 1849075), (145, 1479260), (148, 1449275), (185, 1159420), (290, 739630), (370, 579710), (580, 369815), (725, 295852), (740, 289855), (925, 231884), (1073, 199900), (1450, 147926), (1850, 115942), (1999, 107300), (2146, 99950), (2900, 73963), (3700, 57971), (3998, 53650), (4292, 49975), (5365, 39980), (7996, 26825), (9995, 21460), (10730, 19990)]