28915040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2347}}^1$

素因数の和:2380

約数の個数: 96

約数和(自身を含む): 85204224

約数和(自身を除く): 56289184

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2347, 2464, 3080, 4694, 6160, 9388, 11735, 12320, 16429, 18776, 23470, 25817, 32858, 37552, 46940, 51634, 65716, 75104, 82145, 93880, 103268, 129085, 131432, 164290, 180719, 187760, 206536, 258170, 262864, 328580, 361438, 375520, 413072, 516340, 525728, 657160, 722876, 826144, 903595, 1032680, 1314320, 1445752, 1807190, 2065360, 2628640, 2891504, 3614380, 4130720, 5783008, 7228760, 14457520, 28915040]

約数ペア:

[(1, 28915040), (2, 14457520), (4, 7228760), (5, 5783008), (7, 4130720), (8, 3614380), (10, 2891504), (11, 2628640), (14, 2065360), (16, 1807190), (20, 1445752), (22, 1314320), (28, 1032680), (32, 903595), (35, 826144), (40, 722876), (44, 657160), (55, 525728), (56, 516340), (70, 413072), (77, 375520), (80, 361438), (88, 328580), (110, 262864), (112, 258170), (140, 206536), (154, 187760), (160, 180719), (176, 164290), (220, 131432), (224, 129085), (280, 103268), (308, 93880), (352, 82145), (385, 75104), (440, 65716), (560, 51634), (616, 46940), (770, 37552), (880, 32858), (1120, 25817), (1232, 23470), (1540, 18776), (1760, 16429), (2347, 12320), (2464, 11735), (3080, 9388), (4694, 6160)]