127582180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1321}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 293166720

約数和(自身を除く): 165584540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 439, 878, 1321, 1756, 2195, 2642, 4390, 4829, 5284, 6605, 8780, 9658, 13210, 14531, 19316, 24145, 26420, 29062, 48290, 58124, 72655, 96580, 145310, 290620, 579919, 1159838, 2319676, 2899595, 5799190, 6379109, 11598380, 12758218, 25516436, 31895545, 63791090, 127582180]

約数ペア:

[(1, 127582180), (2, 63791090), (4, 31895545), (5, 25516436), (10, 12758218), (11, 11598380), (20, 6379109), (22, 5799190), (44, 2899595), (55, 2319676), (110, 1159838), (220, 579919), (439, 290620), (878, 145310), (1321, 96580), (1756, 72655), (2195, 58124), (2642, 48290), (4390, 29062), (4829, 26420), (5284, 24145), (6605, 19316), (8780, 14531), (9658, 13210)]