28207942700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{822389}}^1$

素因数の和:822424

約数の個数: 72

約数和(自身を含む): 71383452000

約数和(自身を除く): 43175509300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 2450, 3430, 4900, 6860, 8575, 17150, 34300, 822389, 1644778, 3289556, 4111945, 5756723, 8223890, 11513446, 16447780, 20559725, 23026892, 28783615, 40297061, 41119450, 57567230, 80594122, 82238900, 115134460, 143918075, 161188244, 201485305, 282079427, 287836150, 402970610, 564158854, 575672300, 805941220, 1007426525, 1128317708, 1410397135, 2014853050, 2820794270, 4029706100, 5641588540, 7051985675, 14103971350, 28207942700]

約数ペア:

[(1, 28207942700), (2, 14103971350), (4, 7051985675), (5, 5641588540), (7, 4029706100), (10, 2820794270), (14, 2014853050), (20, 1410397135), (25, 1128317708), (28, 1007426525), (35, 805941220), (49, 575672300), (50, 564158854), (70, 402970610), (98, 287836150), (100, 282079427), (140, 201485305), (175, 161188244), (196, 143918075), (245, 115134460), (343, 82238900), (350, 80594122), (490, 57567230), (686, 41119450), (700, 40297061), (980, 28783615), (1225, 23026892), (1372, 20559725), (1715, 16447780), (2450, 11513446), (3430, 8223890), (4900, 5756723), (6860, 4111945), (8575, 3289556), (17150, 1644778), (34300, 822389)]