1440147140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1\times {\mathrm{2657}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 3103927344

約数和(自身を除く): 1663780204

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 661, 820, 1322, 2644, 2657, 3305, 5314, 6610, 10628, 13220, 13285, 26570, 27101, 53140, 54202, 108404, 108937, 135505, 217874, 271010, 435748, 542020, 544685, 1089370, 1756277, 2178740, 3512554, 7025108, 8781385, 17562770, 35125540, 72007357, 144014714, 288029428, 360036785, 720073570, 1440147140]

約数ペア:

[(1, 1440147140), (2, 720073570), (4, 360036785), (5, 288029428), (10, 144014714), (20, 72007357), (41, 35125540), (82, 17562770), (164, 8781385), (205, 7025108), (410, 3512554), (661, 2178740), (820, 1756277), (1322, 1089370), (2644, 544685), (2657, 542020), (3305, 435748), (5314, 271010), (6610, 217874), (10628, 135505), (13220, 108937), (13285, 108404), (26570, 54202), (27101, 53140)]