287030744

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:601

約数の個数: 128

約数和(自身を含む): 733985280

約数和(自身を除く): 446954536

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 73, 77, 88, 91, 104, 143, 146, 154, 182, 286, 292, 308, 364, 491, 511, 572, 584, 616, 728, 803, 949, 982, 1001, 1022, 1144, 1606, 1898, 1964, 2002, 2044, 3212, 3437, 3796, 3928, 4004, 4088, 5401, 5621, 6383, 6424, 6643, 6874, 7592, 8008, 10439, 10802, 11242, 12766, 13286, 13748, 20878, 21604, 22484, 25532, 26572, 27496, 35843, 37807, 41756, 43208, 44681, 44968, 51064, 53144, 70213, 71686, 73073, 75614, 83512, 89362, 140426, 143372, 146146, 151228, 178724, 250901, 280852, 286744, 292292, 302456, 357448, 394273, 465959, 491491, 501802, 561704, 584584, 788546, 931918, 982982, 1003604, 1577092, 1863836, 1965964, 2007208, 2759911, 3154184, 3261713, 3727672, 3931928, 5125549, 5519822, 6523426, 10251098, 11039644, 13046852, 20502196, 22079288, 26093704, 35878843, 41004392, 71757686, 143515372, 287030744]

約数ペア:

[(1, 287030744), (2, 143515372), (4, 71757686), (7, 41004392), (8, 35878843), (11, 26093704), (13, 22079288), (14, 20502196), (22, 13046852), (26, 11039644), (28, 10251098), (44, 6523426), (52, 5519822), (56, 5125549), (73, 3931928), (77, 3727672), (88, 3261713), (91, 3154184), (104, 2759911), (143, 2007208), (146, 1965964), (154, 1863836), (182, 1577092), (286, 1003604), (292, 982982), (308, 931918), (364, 788546), (491, 584584), (511, 561704), (572, 501802), (584, 491491), (616, 465959), (728, 394273), (803, 357448), (949, 302456), (982, 292292), (1001, 286744), (1022, 280852), (1144, 250901), (1606, 178724), (1898, 151228), (1964, 146146), (2002, 143372), (2044, 140426), (3212, 89362), (3437, 83512), (3796, 75614), (3928, 73073), (4004, 71686), (4088, 70213), (5401, 53144), (5621, 51064), (6383, 44968), (6424, 44681), (6643, 43208), (6874, 41756), (7592, 37807), (8008, 35843), (10439, 27496), (10802, 26572), (11242, 25532), (12766, 22484), (13286, 21604), (13748, 20878)]