2017298660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{55819}}^1$

素因数の和:55980

約数の個数: 48

約数和(自身を含む): 4595102400

約数和(自身を除く): 2577803740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 7228, 9035, 18070, 36140, 55819, 111638, 223276, 279095, 558190, 725647, 1116380, 1451294, 2902588, 3628235, 7256470, 7758841, 14512940, 15517682, 31035364, 38794205, 77588410, 100864933, 155176820, 201729866, 403459732, 504324665, 1008649330, 2017298660]

約数ペア:

[(1, 2017298660), (2, 1008649330), (4, 504324665), (5, 403459732), (10, 201729866), (13, 155176820), (20, 100864933), (26, 77588410), (52, 38794205), (65, 31035364), (130, 15517682), (139, 14512940), (260, 7758841), (278, 7256470), (556, 3628235), (695, 2902588), (1390, 1451294), (1807, 1116380), (2780, 725647), (3614, 558190), (7228, 279095), (9035, 223276), (18070, 111638), (36140, 55819)]