199934980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{7477}}^1$

素因数の和:7684

約数の個数: 48

約数和(自身を含む): 482420736

約数和(自身を除く): 282485756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1337, 1910, 2674, 3820, 5348, 6685, 7477, 13370, 14954, 26740, 29908, 37385, 52339, 74770, 104678, 149540, 209356, 261695, 523390, 1046780, 1428107, 2856214, 5712428, 7140535, 9996749, 14281070, 19993498, 28562140, 39986996, 49983745, 99967490, 199934980]

約数ペア:

[(1, 199934980), (2, 99967490), (4, 49983745), (5, 39986996), (7, 28562140), (10, 19993498), (14, 14281070), (20, 9996749), (28, 7140535), (35, 5712428), (70, 2856214), (140, 1428107), (191, 1046780), (382, 523390), (764, 261695), (955, 209356), (1337, 149540), (1910, 104678), (2674, 74770), (3820, 52339), (5348, 37385), (6685, 29908), (7477, 26740), (13370, 14954)]