28322140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 75769344

約数和(自身を除く): 47447204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 53, 55, 70, 77, 106, 110, 140, 154, 212, 220, 265, 308, 347, 371, 385, 530, 583, 694, 742, 770, 1060, 1166, 1388, 1484, 1540, 1735, 1855, 2332, 2429, 2915, 3470, 3710, 3817, 4081, 4858, 5830, 6940, 7420, 7634, 8162, 9716, 11660, 12145, 15268, 16324, 18391, 19085, 20405, 24290, 26719, 36782, 38170, 40810, 48580, 53438, 73564, 76340, 81620, 91955, 106876, 128737, 133595, 183910, 202301, 257474, 267190, 367820, 404602, 514948, 534380, 643685, 809204, 1011505, 1287370, 1416107, 2023010, 2574740, 2832214, 4046020, 5664428, 7080535, 14161070, 28322140]

約数ペア:

[(1, 28322140), (2, 14161070), (4, 7080535), (5, 5664428), (7, 4046020), (10, 2832214), (11, 2574740), (14, 2023010), (20, 1416107), (22, 1287370), (28, 1011505), (35, 809204), (44, 643685), (53, 534380), (55, 514948), (70, 404602), (77, 367820), (106, 267190), (110, 257474), (140, 202301), (154, 183910), (212, 133595), (220, 128737), (265, 106876), (308, 91955), (347, 81620), (371, 76340), (385, 73564), (530, 53438), (583, 48580), (694, 40810), (742, 38170), (770, 36782), (1060, 26719), (1166, 24290), (1388, 20405), (1484, 19085), (1540, 18391), (1735, 16324), (1855, 15268), (2332, 12145), (2429, 11660), (2915, 9716), (3470, 8162), (3710, 7634), (3817, 7420), (4081, 6940), (4858, 5830)]