287343280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1951}}^1$

素因数の和:2234

約数の個数: 80

約数和(自身を含む): 766808064

約数和(自身を除く): 479464784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 526, 560, 1052, 1315, 1841, 1951, 2104, 2630, 3682, 3902, 4208, 5260, 7364, 7804, 9205, 9755, 10520, 13657, 14728, 15608, 18410, 19510, 21040, 27314, 29456, 31216, 36820, 39020, 54628, 68285, 73640, 78040, 109256, 136570, 147280, 156080, 218512, 273140, 513113, 546280, 1026226, 1092560, 2052452, 2565565, 3591791, 4104904, 5131130, 7183582, 8209808, 10262260, 14367164, 17958955, 20524520, 28734328, 35917910, 41049040, 57468656, 71835820, 143671640, 287343280]

約数ペア:

[(1, 287343280), (2, 143671640), (4, 71835820), (5, 57468656), (7, 41049040), (8, 35917910), (10, 28734328), (14, 20524520), (16, 17958955), (20, 14367164), (28, 10262260), (35, 8209808), (40, 7183582), (56, 5131130), (70, 4104904), (80, 3591791), (112, 2565565), (140, 2052452), (263, 1092560), (280, 1026226), (526, 546280), (560, 513113), (1052, 273140), (1315, 218512), (1841, 156080), (1951, 147280), (2104, 136570), (2630, 109256), (3682, 78040), (3902, 73640), (4208, 68285), (5260, 54628), (7364, 39020), (7804, 36820), (9205, 31216), (9755, 29456), (10520, 27314), (13657, 21040), (14728, 19510), (15608, 18410)]