140940660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47939}}^1$

素因数の和:47965

約数の個数: 72

約数和(自身を含む): 459073440

約数和(自身を除く): 318132780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 47939, 95878, 143817, 191756, 239695, 287634, 335573, 479390, 575268, 671146, 719085, 958780, 1006719, 1342292, 1438170, 1677865, 2013438, 2349011, 2876340, 3355730, 4026876, 4698022, 5033595, 6711460, 7047033, 9396044, 10067190, 11745055, 14094066, 20134380, 23490110, 28188132, 35235165, 46980220, 70470330, 140940660]

約数ペア:

[(1, 140940660), (2, 70470330), (3, 46980220), (4, 35235165), (5, 28188132), (6, 23490110), (7, 20134380), (10, 14094066), (12, 11745055), (14, 10067190), (15, 9396044), (20, 7047033), (21, 6711460), (28, 5033595), (30, 4698022), (35, 4026876), (42, 3355730), (49, 2876340), (60, 2349011), (70, 2013438), (84, 1677865), (98, 1438170), (105, 1342292), (140, 1006719), (147, 958780), (196, 719085), (210, 671146), (245, 575268), (294, 479390), (420, 335573), (490, 287634), (588, 239695), (735, 191756), (980, 143817), (1470, 95878), (2940, 47939)]