28993860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23011}}^1$

素因数の和:23033

約数の個数: 72

約数和(自身を含む): 100516416

約数和(自身を除く): 71522556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 23011, 46022, 69033, 92044, 115055, 138066, 161077, 207099, 230110, 276132, 322154, 345165, 414198, 460220, 483231, 644308, 690330, 805385, 828396, 966462, 1035495, 1380660, 1449693, 1610770, 1932924, 2070990, 2416155, 2899386, 3221540, 4141980, 4832310, 5798772, 7248465, 9664620, 14496930, 28993860]

約数ペア:

[(1, 28993860), (2, 14496930), (3, 9664620), (4, 7248465), (5, 5798772), (6, 4832310), (7, 4141980), (9, 3221540), (10, 2899386), (12, 2416155), (14, 2070990), (15, 1932924), (18, 1610770), (20, 1449693), (21, 1380660), (28, 1035495), (30, 966462), (35, 828396), (36, 805385), (42, 690330), (45, 644308), (60, 483231), (63, 460220), (70, 414198), (84, 345165), (90, 322154), (105, 276132), (126, 230110), (140, 207099), (180, 161077), (210, 138066), (252, 115055), (315, 92044), (420, 69033), (630, 46022), (1260, 23011)]