28435400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1$

素因数の和:1111

約数の個数: 96

約数和(自身を含む): 79608000

約数和(自身を除く): 51172600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 133, 140, 152, 175, 190, 200, 266, 280, 350, 380, 475, 532, 665, 700, 760, 950, 1064, 1069, 1330, 1400, 1900, 2138, 2660, 3325, 3800, 4276, 5320, 5345, 6650, 7483, 8552, 10690, 13300, 14966, 20311, 21380, 26600, 26725, 29932, 37415, 40622, 42760, 53450, 59864, 74830, 81244, 101555, 106900, 142177, 149660, 162488, 187075, 203110, 213800, 284354, 299320, 374150, 406220, 507775, 568708, 710885, 748300, 812440, 1015550, 1137416, 1421770, 1496600, 2031100, 2843540, 3554425, 4062200, 5687080, 7108850, 14217700, 28435400]

約数ペア:

[(1, 28435400), (2, 14217700), (4, 7108850), (5, 5687080), (7, 4062200), (8, 3554425), (10, 2843540), (14, 2031100), (19, 1496600), (20, 1421770), (25, 1137416), (28, 1015550), (35, 812440), (38, 748300), (40, 710885), (50, 568708), (56, 507775), (70, 406220), (76, 374150), (95, 299320), (100, 284354), (133, 213800), (140, 203110), (152, 187075), (175, 162488), (190, 149660), (200, 142177), (266, 106900), (280, 101555), (350, 81244), (380, 74830), (475, 59864), (532, 53450), (665, 42760), (700, 40622), (760, 37415), (950, 29932), (1064, 26725), (1069, 26600), (1330, 21380), (1400, 20311), (1900, 14966), (2138, 13300), (2660, 10690), (3325, 8552), (3800, 7483), (4276, 6650), (5320, 5345)]