28282380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67339}}^1$

素因数の和:67358

約数の個数: 48

約数和(自身を含む): 90504960

約数和(自身を除く): 62222580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67339, 134678, 202017, 269356, 336695, 404034, 471373, 673390, 808068, 942746, 1010085, 1346780, 1414119, 1885492, 2020170, 2356865, 2828238, 4040340, 4713730, 5656476, 7070595, 9427460, 14141190, 28282380]

約数ペア:

[(1, 28282380), (2, 14141190), (3, 9427460), (4, 7070595), (5, 5656476), (6, 4713730), (7, 4040340), (10, 2828238), (12, 2356865), (14, 2020170), (15, 1885492), (20, 1414119), (21, 1346780), (28, 1010085), (30, 942746), (35, 808068), (42, 673390), (60, 471373), (70, 404034), (84, 336695), (105, 269356), (140, 202017), (210, 134678), (420, 67339)]