320469292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 672924672

約数和(自身を除く): 352455380

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 169, 284, 286, 338, 572, 607, 676, 781, 923, 1214, 1562, 1846, 1859, 2428, 3124, 3692, 3718, 6677, 7436, 7891, 10153, 11999, 13354, 15782, 20306, 23998, 26708, 31564, 40612, 43097, 47996, 86194, 86801, 102583, 131989, 172388, 173602, 205166, 263978, 347204, 410332, 474067, 527956, 560261, 948134, 1120522, 1128413, 1896268, 2241044, 2256826, 4513652, 6162871, 7283393, 12325742, 14566786, 24651484, 29133572, 80117323, 160234646, 320469292]

約数ペア:

[(1, 320469292), (2, 160234646), (4, 80117323), (11, 29133572), (13, 24651484), (22, 14566786), (26, 12325742), (44, 7283393), (52, 6162871), (71, 4513652), (142, 2256826), (143, 2241044), (169, 1896268), (284, 1128413), (286, 1120522), (338, 948134), (572, 560261), (607, 527956), (676, 474067), (781, 410332), (923, 347204), (1214, 263978), (1562, 205166), (1846, 173602), (1859, 172388), (2428, 131989), (3124, 102583), (3692, 86801), (3718, 86194), (6677, 47996), (7436, 43097), (7891, 40612), (10153, 31564), (11999, 26708), (13354, 23998), (15782, 20306)]