988894620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{784837}}^1$

素因数の和:784859

約数の個数: 72

約数和(自身を含む): 3428172384

約数和(自身を除く): 2439277764

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, 784837, 1569674, 2354511, 3139348, 3924185, 4709022, 5493859, 7063533, 7848370, 9418044, 10987718, 11772555, 14127066, 15696740, 16481577, 21975436, 23545110, 27469295, 28254132, 32963154, 35317665, 47090220, 49444731, 54938590, 65926308, 70635330, 82407885, 98889462, 109877180, 141270660, 164815770, 197778924, 247223655, 329631540, 494447310, 988894620]

約数ペア:

[(1, 988894620), (2, 494447310), (3, 329631540), (4, 247223655), (5, 197778924), (6, 164815770), (7, 141270660), (9, 109877180), (10, 98889462), (12, 82407885), (14, 70635330), (15, 65926308), (18, 54938590), (20, 49444731), (21, 47090220), (28, 35317665), (30, 32963154), (35, 28254132), (36, 27469295), (42, 23545110), (45, 21975436), (60, 16481577), (63, 15696740), (70, 14127066), (84, 11772555), (90, 10987718), (105, 9418044), (126, 7848370), (140, 7063533), (180, 5493859), (210, 4709022), (252, 3924185), (315, 3139348), (420, 2354511), (630, 1569674), (1260, 784837)]