79890580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7411}}^1$

素因数の和:7445

約数の個数: 72

約数和(自身を含む): 212931936

約数和(自身を除く): 133041356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 7411, 10780, 14822, 29644, 37055, 51877, 74110, 81521, 103754, 148220, 163042, 207508, 259385, 326084, 363139, 407605, 518770, 570647, 726278, 815210, 1037540, 1141294, 1452556, 1630420, 1815695, 2282588, 2853235, 3631390, 3994529, 5706470, 7262780, 7989058, 11412940, 15978116, 19972645, 39945290, 79890580]

約数ペア:

[(1, 79890580), (2, 39945290), (4, 19972645), (5, 15978116), (7, 11412940), (10, 7989058), (11, 7262780), (14, 5706470), (20, 3994529), (22, 3631390), (28, 2853235), (35, 2282588), (44, 1815695), (49, 1630420), (55, 1452556), (70, 1141294), (77, 1037540), (98, 815210), (110, 726278), (140, 570647), (154, 518770), (196, 407605), (220, 363139), (245, 326084), (308, 259385), (385, 207508), (490, 163042), (539, 148220), (770, 103754), (980, 81521), (1078, 74110), (1540, 51877), (2156, 37055), (2695, 29644), (5390, 14822), (7411, 10780)]