8391460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5449}}^1$

素因数の和:5476

約数の個数: 48

約数和(自身を含む): 21974400

約数和(自身を除く): 13582940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5449, 10898, 21796, 27245, 38143, 54490, 59939, 76286, 108980, 119878, 152572, 190715, 239756, 299695, 381430, 419573, 599390, 762860, 839146, 1198780, 1678292, 2097865, 4195730, 8391460]

約数ペア:

[(1, 8391460), (2, 4195730), (4, 2097865), (5, 1678292), (7, 1198780), (10, 839146), (11, 762860), (14, 599390), (20, 419573), (22, 381430), (28, 299695), (35, 239756), (44, 190715), (55, 152572), (70, 119878), (77, 108980), (110, 76286), (140, 59939), (154, 54490), (220, 38143), (308, 27245), (385, 21796), (770, 10898), (1540, 5449)]