205319620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40577}}^1$

素因数の和:40620

約数の個数: 48

約数和(自身を含む): 490831488

約数和(自身を除く): 285511868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 40577, 81154, 162308, 202885, 405770, 446347, 811540, 892694, 933271, 1785388, 1866542, 2231735, 3733084, 4463470, 4666355, 8926940, 9332710, 10265981, 18665420, 20531962, 41063924, 51329905, 102659810, 205319620]

約数ペア:

[(1, 205319620), (2, 102659810), (4, 51329905), (5, 41063924), (10, 20531962), (11, 18665420), (20, 10265981), (22, 9332710), (23, 8926940), (44, 4666355), (46, 4463470), (55, 3733084), (92, 2231735), (110, 1866542), (115, 1785388), (220, 933271), (230, 892694), (253, 811540), (460, 446347), (506, 405770), (1012, 202885), (1265, 162308), (2530, 81154), (5060, 40577)]