28212940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6949}}^1$

素因数の和:6994

約数の個数: 48

約数和(自身を含む): 70056000

約数和(自身を除く): 41843060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6949, 13898, 27796, 34745, 48643, 69490, 97286, 138980, 194572, 201521, 243215, 403042, 486430, 806084, 972860, 1007605, 1410647, 2015210, 2821294, 4030420, 5642588, 7053235, 14106470, 28212940]

約数ペア:

[(1, 28212940), (2, 14106470), (4, 7053235), (5, 5642588), (7, 4030420), (10, 2821294), (14, 2015210), (20, 1410647), (28, 1007605), (29, 972860), (35, 806084), (58, 486430), (70, 403042), (116, 243215), (140, 201521), (145, 194572), (203, 138980), (290, 97286), (406, 69490), (580, 48643), (812, 34745), (1015, 27796), (2030, 13898), (4060, 6949)]