1878656890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{937}}^1\times {\mathrm{1657}}^1$

素因数の和:2623

約数の個数: 48

約数和(自身を含む): 3723158376

約数和(自身を除く): 1844501486

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 937, 1210, 1657, 1874, 3314, 4685, 8285, 9370, 10307, 16570, 18227, 20614, 36454, 51535, 91135, 103070, 113377, 182270, 200497, 226754, 400994, 566885, 1002485, 1133770, 1552609, 2004970, 3105218, 7763045, 15526090, 17078699, 34157398, 85393495, 170786990, 187865689, 375731378, 939328445, 1878656890]

約数ペア:

[(1, 1878656890), (2, 939328445), (5, 375731378), (10, 187865689), (11, 170786990), (22, 85393495), (55, 34157398), (110, 17078699), (121, 15526090), (242, 7763045), (605, 3105218), (937, 2004970), (1210, 1552609), (1657, 1133770), (1874, 1002485), (3314, 566885), (4685, 400994), (8285, 226754), (9370, 200497), (10307, 182270), (16570, 113377), (18227, 103070), (20614, 91135), (36454, 51535)]