217349440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8821}}^1$

素因数の和:8856

約数の個数: 112

約数和(自身を含む): 645346944

約数和(自身を除く): 427997504

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 8821, 12320, 17642, 24640, 35284, 44105, 61747, 70568, 88210, 97031, 123494, 141136, 176420, 194062, 246988, 282272, 308735, 352840, 388124, 485155, 493976, 564544, 617470, 679217, 705680, 776248, 970310, 987952, 1234940, 1358434, 1411360, 1552496, 1940620, 1975904, 2469880, 2716868, 2822720, 3104992, 3396085, 3881240, 3951808, 4939760, 5433736, 6209984, 6792170, 7762480, 9879520, 10867472, 13584340, 15524960, 19759040, 21734944, 27168680, 31049920, 43469888, 54337360, 108674720, 217349440]

約数ペア:

[(1, 217349440), (2, 108674720), (4, 54337360), (5, 43469888), (7, 31049920), (8, 27168680), (10, 21734944), (11, 19759040), (14, 15524960), (16, 13584340), (20, 10867472), (22, 9879520), (28, 7762480), (32, 6792170), (35, 6209984), (40, 5433736), (44, 4939760), (55, 3951808), (56, 3881240), (64, 3396085), (70, 3104992), (77, 2822720), (80, 2716868), (88, 2469880), (110, 1975904), (112, 1940620), (140, 1552496), (154, 1411360), (160, 1358434), (176, 1234940), (220, 987952), (224, 970310), (280, 776248), (308, 705680), (320, 679217), (352, 617470), (385, 564544), (440, 493976), (448, 485155), (560, 388124), (616, 352840), (704, 308735), (770, 282272), (880, 246988), (1120, 194062), (1232, 176420), (1540, 141136), (1760, 123494), (2240, 97031), (2464, 88210), (3080, 70568), (3520, 61747), (4928, 44105), (6160, 35284), (8821, 24640), (12320, 17642)]