280417808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83857}}^1$

素因数の和:83895

約数の個数: 40

約数和(自身を含む): 623903520

約数和(自身を除く): 343485712

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 83857, 167714, 335428, 670856, 922427, 1341712, 1593283, 1844854, 3186566, 3689708, 6373132, 7379416, 12746264, 14758832, 17526113, 25492528, 35052226, 70104452, 140208904, 280417808]

約数ペア:

[(1, 280417808), (2, 140208904), (4, 70104452), (8, 35052226), (11, 25492528), (16, 17526113), (19, 14758832), (22, 12746264), (38, 7379416), (44, 6373132), (76, 3689708), (88, 3186566), (152, 1844854), (176, 1593283), (209, 1341712), (304, 922427), (418, 670856), (836, 335428), (1672, 167714), (3344, 83857)]