280773724

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{11839}}^1$

素因数の和:11879

約数の個数: 54

約数和(自身を含む): 628313280

約数和(自身を除く): 347539556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 1078, 1694, 2156, 3388, 5929, 11839, 11858, 23678, 23716, 47356, 82873, 130229, 165746, 260458, 331492, 520916, 580111, 911603, 1160222, 1432519, 1823206, 2320444, 2865038, 3646412, 5730076, 6381221, 10027633, 12762442, 20055266, 25524884, 40110532, 70193431, 140386862, 280773724]

約数ペア:

[(1, 280773724), (2, 140386862), (4, 70193431), (7, 40110532), (11, 25524884), (14, 20055266), (22, 12762442), (28, 10027633), (44, 6381221), (49, 5730076), (77, 3646412), (98, 2865038), (121, 2320444), (154, 1823206), (196, 1432519), (242, 1160222), (308, 911603), (484, 580111), (539, 520916), (847, 331492), (1078, 260458), (1694, 165746), (2156, 130229), (3388, 82873), (5929, 47356), (11839, 23716), (11858, 23678)]