7423990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 15800400

約数和(自身を除く): 8376410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 139, 218, 245, 278, 490, 545, 695, 763, 973, 1090, 1390, 1526, 1946, 3815, 4865, 5341, 6811, 7630, 9730, 10682, 13622, 15151, 26705, 30302, 34055, 53410, 68110, 75755, 106057, 151510, 212114, 530285, 742399, 1060570, 1484798, 3711995, 7423990]

約数ペア:

[(1, 7423990), (2, 3711995), (5, 1484798), (7, 1060570), (10, 742399), (14, 530285), (35, 212114), (49, 151510), (70, 106057), (98, 75755), (109, 68110), (139, 53410), (218, 34055), (245, 30302), (278, 26705), (490, 15151), (545, 13622), (695, 10682), (763, 9730), (973, 7630), (1090, 6811), (1390, 5341), (1526, 4865), (1946, 3815)]