2019425875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 2777898240

約数和(自身を除く): 758472365

約数列:

[1, 5, 23, 25, 29, 53, 115, 125, 145, 265, 457, 575, 667, 725, 1219, 1325, 1537, 2285, 2875, 3335, 3625, 6095, 6625, 7685, 10511, 11425, 13253, 16675, 24221, 30475, 35351, 38425, 52555, 57125, 66265, 83375, 121105, 152375, 176755, 192125, 262775, 304819, 331325, 557083, 605525, 702409, 883775, 1313875, 1524095, 1656625, 2785415, 3027625, 3512045, 4418875, 7620475, 13927075, 16155407, 17560225, 38102375, 69635375, 80777035, 87801125, 403885175, 2019425875]

約数ペア:

[(1, 2019425875), (5, 403885175), (23, 87801125), (25, 80777035), (29, 69635375), (53, 38102375), (115, 17560225), (125, 16155407), (145, 13927075), (265, 7620475), (457, 4418875), (575, 3512045), (667, 3027625), (725, 2785415), (1219, 1656625), (1325, 1524095), (1537, 1313875), (2285, 883775), (2875, 702409), (3335, 605525), (3625, 557083), (6095, 331325), (6625, 304819), (7685, 262775), (10511, 192125), (11425, 176755), (13253, 152375), (16675, 121105), (24221, 83375), (30475, 66265), (35351, 57125), (38425, 52555)]