219979008

素因数分解:

$2^8\times 3^2\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:640

約数の個数: 108

約数和(自身を含む): 638365728

約数和(自身を除く): 418386720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 307, 311, 384, 576, 614, 622, 768, 921, 933, 1152, 1228, 1244, 1842, 1866, 2304, 2456, 2488, 2763, 2799, 3684, 3732, 4912, 4976, 5526, 5598, 7368, 7464, 9824, 9952, 11052, 11196, 14736, 14928, 19648, 19904, 22104, 22392, 29472, 29856, 39296, 39808, 44208, 44784, 58944, 59712, 78592, 79616, 88416, 89568, 95477, 117888, 119424, 176832, 179136, 190954, 235776, 238848, 286431, 353664, 358272, 381908, 572862, 707328, 716544, 763816, 859293, 1145724, 1527632, 1718586, 2291448, 3055264, 3437172, 4582896, 6110528, 6874344, 9165792, 12221056, 13748688, 18331584, 24442112, 27497376, 36663168, 54994752, 73326336, 109989504, 219979008]

約数ペア:

[(1, 219979008), (2, 109989504), (3, 73326336), (4, 54994752), (6, 36663168), (8, 27497376), (9, 24442112), (12, 18331584), (16, 13748688), (18, 12221056), (24, 9165792), (32, 6874344), (36, 6110528), (48, 4582896), (64, 3437172), (72, 3055264), (96, 2291448), (128, 1718586), (144, 1527632), (192, 1145724), (256, 859293), (288, 763816), (307, 716544), (311, 707328), (384, 572862), (576, 381908), (614, 358272), (622, 353664), (768, 286431), (921, 238848), (933, 235776), (1152, 190954), (1228, 179136), (1244, 176832), (1842, 119424), (1866, 117888), (2304, 95477), (2456, 89568), (2488, 88416), (2763, 79616), (2799, 78592), (3684, 59712), (3732, 58944), (4912, 44784), (4976, 44208), (5526, 39808), (5598, 39296), (7368, 29856), (7464, 29472), (9824, 22392), (9952, 22104), (11052, 19904), (11196, 19648), (14736, 14928)]