640210559044

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{463}}^1\times {\mathrm{2861}}^1$

素因数の和:3797

約数の個数: 96

約数和(自身を含む): 1318066670592

約数和(自身を除く): 677856111548

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 421, 463, 574, 842, 926, 1148, 1684, 1852, 2861, 2947, 3241, 5722, 5894, 6482, 11444, 11788, 12964, 17261, 18983, 20027, 34522, 37966, 40054, 69044, 75932, 80108, 117301, 120827, 132881, 194923, 234602, 241654, 265762, 389846, 469204, 483308, 531524, 779692, 821107, 1204481, 1324643, 1364461, 1642214, 2408962, 2649286, 2728922, 3284428, 4817924, 5298572, 5457844, 7991843, 8431367, 9272501, 15983686, 16862734, 18545002, 31967372, 33725468, 37090004, 49383721, 54310363, 55942901, 98767442, 108620726, 111885802, 197534884, 217241452, 223771604, 345686047, 380172541, 557674703, 691372094, 760345082, 1115349406, 1382744188, 1520690164, 2230698812, 3903722921, 7807445842, 15614891684, 22864662823, 45729325646, 91458651292, 160052639761, 320105279522, 640210559044]

約数ペア:

[(1, 640210559044), (2, 320105279522), (4, 160052639761), (7, 91458651292), (14, 45729325646), (28, 22864662823), (41, 15614891684), (82, 7807445842), (164, 3903722921), (287, 2230698812), (421, 1520690164), (463, 1382744188), (574, 1115349406), (842, 760345082), (926, 691372094), (1148, 557674703), (1684, 380172541), (1852, 345686047), (2861, 223771604), (2947, 217241452), (3241, 197534884), (5722, 111885802), (5894, 108620726), (6482, 98767442), (11444, 55942901), (11788, 54310363), (12964, 49383721), (17261, 37090004), (18983, 33725468), (20027, 31967372), (34522, 18545002), (37966, 16862734), (40054, 15983686), (69044, 9272501), (75932, 8431367), (80108, 7991843), (117301, 5457844), (120827, 5298572), (132881, 4817924), (194923, 3284428), (234602, 2728922), (241654, 2649286), (265762, 2408962), (389846, 1642214), (469204, 1364461), (483308, 1324643), (531524, 1204481), (779692, 821107)]