1640388904

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{29921}}^1$

素因数の和:30034

約数の個数: 64

約数和(自身を含む): 3877891200

約数和(自身を除く): 2237502296

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 89, 154, 178, 308, 356, 616, 623, 712, 979, 1246, 1958, 2492, 3916, 4984, 6853, 7832, 13706, 27412, 29921, 54824, 59842, 119684, 209447, 239368, 329131, 418894, 658262, 837788, 1316524, 1675576, 2303917, 2633048, 2662969, 4607834, 5325938, 9215668, 10651876, 18431336, 18640783, 21303752, 29292659, 37281566, 58585318, 74563132, 117170636, 149126264, 205048613, 234341272, 410097226, 820194452, 1640388904]

約数ペア:

[(1, 1640388904), (2, 820194452), (4, 410097226), (7, 234341272), (8, 205048613), (11, 149126264), (14, 117170636), (22, 74563132), (28, 58585318), (44, 37281566), (56, 29292659), (77, 21303752), (88, 18640783), (89, 18431336), (154, 10651876), (178, 9215668), (308, 5325938), (356, 4607834), (616, 2662969), (623, 2633048), (712, 2303917), (979, 1675576), (1246, 1316524), (1958, 837788), (2492, 658262), (3916, 418894), (4984, 329131), (6853, 239368), (7832, 209447), (13706, 119684), (27412, 59842), (29921, 54824)]