287924120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{1237}}^1$

素因数の和:1305

約数の個数: 96

約数和(自身を含む): 739383120

約数和(自身を除く): 451459000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 529, 920, 1012, 1058, 1237, 1265, 2024, 2116, 2474, 2530, 2645, 4232, 4948, 5060, 5290, 5819, 6185, 9896, 10120, 10580, 11638, 12370, 13607, 21160, 23276, 24740, 27214, 28451, 29095, 46552, 49480, 54428, 56902, 58190, 68035, 108856, 113804, 116380, 136070, 142255, 227608, 232760, 272140, 284510, 312961, 544280, 569020, 625922, 654373, 1138040, 1251844, 1308746, 1564805, 2503688, 2617492, 3129610, 3271865, 5234984, 6259220, 6543730, 7198103, 12518440, 13087460, 14396206, 26174920, 28792412, 35990515, 57584824, 71981030, 143962060, 287924120]

約数ペア:

[(1, 287924120), (2, 143962060), (4, 71981030), (5, 57584824), (8, 35990515), (10, 28792412), (11, 26174920), (20, 14396206), (22, 13087460), (23, 12518440), (40, 7198103), (44, 6543730), (46, 6259220), (55, 5234984), (88, 3271865), (92, 3129610), (110, 2617492), (115, 2503688), (184, 1564805), (220, 1308746), (230, 1251844), (253, 1138040), (440, 654373), (460, 625922), (506, 569020), (529, 544280), (920, 312961), (1012, 284510), (1058, 272140), (1237, 232760), (1265, 227608), (2024, 142255), (2116, 136070), (2474, 116380), (2530, 113804), (2645, 108856), (4232, 68035), (4948, 58190), (5060, 56902), (5290, 54428), (5819, 49480), (6185, 46552), (9896, 29095), (10120, 28451), (10580, 27214), (11638, 24740), (12370, 23276), (13607, 21160)]