28283220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22447}}^1$

素因数の和:22469

約数の個数: 72

約数和(自身を含む): 98052864

約数和(自身を除く): 69769644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22447, 44894, 67341, 89788, 112235, 134682, 157129, 202023, 224470, 269364, 314258, 336705, 404046, 448940, 471387, 628516, 673410, 785645, 808092, 942774, 1010115, 1346820, 1414161, 1571290, 1885548, 2020230, 2356935, 2828322, 3142580, 4040460, 4713870, 5656644, 7070805, 9427740, 14141610, 28283220]

約数ペア:

[(1, 28283220), (2, 14141610), (3, 9427740), (4, 7070805), (5, 5656644), (6, 4713870), (7, 4040460), (9, 3142580), (10, 2828322), (12, 2356935), (14, 2020230), (15, 1885548), (18, 1571290), (20, 1414161), (21, 1346820), (28, 1010115), (30, 942774), (35, 808092), (36, 785645), (42, 673410), (45, 628516), (60, 471387), (63, 448940), (70, 404046), (84, 336705), (90, 314258), (105, 269364), (126, 224470), (140, 202023), (180, 157129), (210, 134682), (252, 112235), (315, 89788), (420, 67341), (630, 44894), (1260, 22447)]