1870960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 5374656

約数和(自身を除く): 3503696

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 257, 260, 280, 364, 455, 514, 520, 560, 728, 910, 1028, 1040, 1285, 1456, 1799, 1820, 2056, 2570, 3341, 3598, 3640, 4112, 5140, 6682, 7196, 7280, 8995, 10280, 13364, 14392, 16705, 17990, 20560, 23387, 26728, 28784, 33410, 35980, 46774, 53456, 66820, 71960, 93548, 116935, 133640, 143920, 187096, 233870, 267280, 374192, 467740, 935480, 1870960]

約数ペア:

[(1, 1870960), (2, 935480), (4, 467740), (5, 374192), (7, 267280), (8, 233870), (10, 187096), (13, 143920), (14, 133640), (16, 116935), (20, 93548), (26, 71960), (28, 66820), (35, 53456), (40, 46774), (52, 35980), (56, 33410), (65, 28784), (70, 26728), (80, 23387), (91, 20560), (104, 17990), (112, 16705), (130, 14392), (140, 13364), (182, 10280), (208, 8995), (257, 7280), (260, 7196), (280, 6682), (364, 5140), (455, 4112), (514, 3640), (520, 3598), (560, 3341), (728, 2570), (910, 2056), (1028, 1820), (1040, 1799), (1285, 1456)]