1398020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 3339840

約数和(自身を除く): 1941820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 283, 380, 494, 566, 988, 1132, 1235, 1415, 2470, 2830, 3679, 4940, 5377, 5660, 7358, 10754, 14716, 18395, 21508, 26885, 36790, 53770, 69901, 73580, 107540, 139802, 279604, 349505, 699010, 1398020]

約数ペア:

[(1, 1398020), (2, 699010), (4, 349505), (5, 279604), (10, 139802), (13, 107540), (19, 73580), (20, 69901), (26, 53770), (38, 36790), (52, 26885), (65, 21508), (76, 18395), (95, 14716), (130, 10754), (190, 7358), (247, 5660), (260, 5377), (283, 4940), (380, 3679), (494, 2830), (566, 2470), (988, 1415), (1132, 1235)]