28842900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1313

約数の個数: 72

約数和(自身を含む): 84577920

約数和(自身を除く): 55735020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 150, 158, 237, 300, 316, 395, 474, 790, 948, 1185, 1217, 1580, 1975, 2370, 2434, 3651, 3950, 4740, 4868, 5925, 6085, 7302, 7900, 11850, 12170, 14604, 18255, 23700, 24340, 30425, 36510, 60850, 73020, 91275, 96143, 121700, 182550, 192286, 288429, 365100, 384572, 480715, 576858, 961430, 1153716, 1442145, 1922860, 2403575, 2884290, 4807150, 5768580, 7210725, 9614300, 14421450, 28842900]

約数ペア:

[(1, 28842900), (2, 14421450), (3, 9614300), (4, 7210725), (5, 5768580), (6, 4807150), (10, 2884290), (12, 2403575), (15, 1922860), (20, 1442145), (25, 1153716), (30, 961430), (50, 576858), (60, 480715), (75, 384572), (79, 365100), (100, 288429), (150, 192286), (158, 182550), (237, 121700), (300, 96143), (316, 91275), (395, 73020), (474, 60850), (790, 36510), (948, 30425), (1185, 24340), (1217, 23700), (1580, 18255), (1975, 14604), (2370, 12170), (2434, 11850), (3651, 7900), (3950, 7302), (4740, 6085), (4868, 5925)]