9917180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5449}}^1$

素因数の和:5478

約数の個数: 48

約数和(自身を含む): 25636800

約数和(自身を除く): 15719620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 5449, 10898, 21796, 27245, 38143, 54490, 70837, 76286, 108980, 141674, 152572, 190715, 283348, 354185, 381430, 495859, 708370, 762860, 991718, 1416740, 1983436, 2479295, 4958590, 9917180]

約数ペア:

[(1, 9917180), (2, 4958590), (4, 2479295), (5, 1983436), (7, 1416740), (10, 991718), (13, 762860), (14, 708370), (20, 495859), (26, 381430), (28, 354185), (35, 283348), (52, 190715), (65, 152572), (70, 141674), (91, 108980), (130, 76286), (140, 70837), (182, 54490), (260, 38143), (364, 27245), (455, 21796), (910, 10898), (1820, 5449)]