28850220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3271}}^1$

素因数の和:3300

約数の個数: 108

約数和(自身を含む): 101831184

約数和(自身を除く): 72980964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 3271, 4410, 6542, 8820, 9813, 13084, 16355, 19626, 22897, 29439, 32710, 39252, 45794, 49065, 58878, 65420, 68691, 91588, 98130, 114485, 117756, 137382, 147195, 160279, 196260, 206073, 228970, 274764, 294390, 320558, 343455, 412146, 457940, 480837, 588780, 641116, 686910, 801395, 824292, 961674, 1030365, 1373820, 1442511, 1602790, 1923348, 2060730, 2404185, 2885022, 3205580, 4121460, 4808370, 5770044, 7212555, 9616740, 14425110, 28850220]

約数ペア:

[(1, 28850220), (2, 14425110), (3, 9616740), (4, 7212555), (5, 5770044), (6, 4808370), (7, 4121460), (9, 3205580), (10, 2885022), (12, 2404185), (14, 2060730), (15, 1923348), (18, 1602790), (20, 1442511), (21, 1373820), (28, 1030365), (30, 961674), (35, 824292), (36, 801395), (42, 686910), (45, 641116), (49, 588780), (60, 480837), (63, 457940), (70, 412146), (84, 343455), (90, 320558), (98, 294390), (105, 274764), (126, 228970), (140, 206073), (147, 196260), (180, 160279), (196, 147195), (210, 137382), (245, 117756), (252, 114485), (294, 98130), (315, 91588), (420, 68691), (441, 65420), (490, 58878), (588, 49065), (630, 45794), (735, 39252), (882, 32710), (980, 29439), (1260, 22897), (1470, 19626), (1764, 16355), (2205, 13084), (2940, 9813), (3271, 8820), (4410, 6542)]