2021982340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1283}}^1\times {\mathrm{11257}}^1$

素因数の和:12556

約数の個数: 48

約数和(自身を含む): 4856971392

約数和(自身を除く): 2834989052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1283, 2566, 5132, 6415, 8981, 11257, 12830, 17962, 22514, 25660, 35924, 44905, 45028, 56285, 78799, 89810, 112570, 157598, 179620, 225140, 315196, 393995, 787990, 1575980, 14442731, 28885462, 57770924, 72213655, 101099117, 144427310, 202198234, 288854620, 404396468, 505495585, 1010991170, 2021982340]

約数ペア:

[(1, 2021982340), (2, 1010991170), (4, 505495585), (5, 404396468), (7, 288854620), (10, 202198234), (14, 144427310), (20, 101099117), (28, 72213655), (35, 57770924), (70, 28885462), (140, 14442731), (1283, 1575980), (2566, 787990), (5132, 393995), (6415, 315196), (8981, 225140), (11257, 179620), (12830, 157598), (17962, 112570), (22514, 89810), (25660, 78799), (35924, 56285), (44905, 45028)]