28234360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 80870400

約数和(自身を除く): 52636040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 89, 103, 110, 140, 154, 178, 206, 220, 280, 308, 356, 385, 412, 440, 445, 515, 616, 623, 712, 721, 770, 824, 890, 979, 1030, 1133, 1246, 1442, 1540, 1780, 1958, 2060, 2266, 2492, 2884, 3080, 3115, 3560, 3605, 3916, 4120, 4532, 4895, 4984, 5665, 5768, 6230, 6853, 7210, 7832, 7931, 9064, 9167, 9790, 11330, 12460, 13706, 14420, 15862, 18334, 19580, 22660, 24920, 27412, 28840, 31724, 34265, 36668, 39160, 39655, 45320, 45835, 54824, 63448, 64169, 68530, 73336, 79310, 91670, 100837, 128338, 137060, 158620, 183340, 201674, 256676, 274120, 317240, 320845, 366680, 403348, 504185, 513352, 641690, 705859, 806696, 1008370, 1283380, 1411718, 2016740, 2566760, 2823436, 3529295, 4033480, 5646872, 7058590, 14117180, 28234360]

約数ペア:

[(1, 28234360), (2, 14117180), (4, 7058590), (5, 5646872), (7, 4033480), (8, 3529295), (10, 2823436), (11, 2566760), (14, 2016740), (20, 1411718), (22, 1283380), (28, 1008370), (35, 806696), (40, 705859), (44, 641690), (55, 513352), (56, 504185), (70, 403348), (77, 366680), (88, 320845), (89, 317240), (103, 274120), (110, 256676), (140, 201674), (154, 183340), (178, 158620), (206, 137060), (220, 128338), (280, 100837), (308, 91670), (356, 79310), (385, 73336), (412, 68530), (440, 64169), (445, 63448), (515, 54824), (616, 45835), (623, 45320), (712, 39655), (721, 39160), (770, 36668), (824, 34265), (890, 31724), (979, 28840), (1030, 27412), (1133, 24920), (1246, 22660), (1442, 19580), (1540, 18334), (1780, 15862), (1958, 14420), (2060, 13706), (2266, 12460), (2492, 11330), (2884, 9790), (3080, 9167), (3115, 9064), (3560, 7931), (3605, 7832), (3916, 7210), (4120, 6853), (4532, 6230), (4895, 5768), (4984, 5665)]