207451660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1289}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 470282400

約数和(自身を除く): 262830740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 619, 1238, 1289, 2476, 2578, 3095, 5156, 6190, 6445, 8047, 12380, 12890, 16094, 16757, 25780, 32188, 33514, 40235, 67028, 80470, 83785, 160940, 167570, 335140, 797891, 1595782, 3191564, 3989455, 7978910, 10372583, 15957820, 20745166, 41490332, 51862915, 103725830, 207451660]

約数ペア:

[(1, 207451660), (2, 103725830), (4, 51862915), (5, 41490332), (10, 20745166), (13, 15957820), (20, 10372583), (26, 7978910), (52, 3989455), (65, 3191564), (130, 1595782), (260, 797891), (619, 335140), (1238, 167570), (1289, 160940), (2476, 83785), (2578, 80470), (3095, 67028), (5156, 40235), (6190, 33514), (6445, 32188), (8047, 25780), (12380, 16757), (12890, 16094)]