280804876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{877}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 566415360

約数和(自身を除く): 285610484

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 383, 418, 766, 836, 877, 1532, 1754, 3508, 4213, 7277, 8426, 9647, 14554, 16663, 16852, 19294, 29108, 33326, 38588, 66652, 80047, 160094, 183293, 320188, 335891, 366586, 671782, 733172, 1343564, 3694801, 6381929, 7389602, 12763858, 14779204, 25527716, 70201219, 140402438, 280804876]

約数ペア:

[(1, 280804876), (2, 140402438), (4, 70201219), (11, 25527716), (19, 14779204), (22, 12763858), (38, 7389602), (44, 6381929), (76, 3694801), (209, 1343564), (383, 733172), (418, 671782), (766, 366586), (836, 335891), (877, 320188), (1532, 183293), (1754, 160094), (3508, 80047), (4213, 66652), (7277, 38588), (8426, 33326), (9647, 29108), (14554, 19294), (16663, 16852)]