279889960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2341}}^1$

素因数の和:2427

約数の個数: 96

約数和(自身を含む): 744896520

約数和(自身を除く): 465006560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 196, 244, 245, 280, 305, 392, 427, 488, 490, 610, 854, 980, 1220, 1708, 1960, 2135, 2341, 2440, 2989, 3416, 4270, 4682, 5978, 8540, 9364, 11705, 11956, 14945, 16387, 17080, 18728, 23410, 23912, 29890, 32774, 46820, 59780, 65548, 81935, 93640, 114709, 119560, 131096, 142801, 163870, 229418, 285602, 327740, 458836, 571204, 573545, 655480, 714005, 917672, 999607, 1142408, 1147090, 1428010, 1999214, 2294180, 2856020, 3998428, 4588360, 4998035, 5712040, 6997249, 7996856, 9996070, 13994498, 19992140, 27988996, 34986245, 39984280, 55977992, 69972490, 139944980, 279889960]

約数ペア:

[(1, 279889960), (2, 139944980), (4, 69972490), (5, 55977992), (7, 39984280), (8, 34986245), (10, 27988996), (14, 19992140), (20, 13994498), (28, 9996070), (35, 7996856), (40, 6997249), (49, 5712040), (56, 4998035), (61, 4588360), (70, 3998428), (98, 2856020), (122, 2294180), (140, 1999214), (196, 1428010), (244, 1147090), (245, 1142408), (280, 999607), (305, 917672), (392, 714005), (427, 655480), (488, 573545), (490, 571204), (610, 458836), (854, 327740), (980, 285602), (1220, 229418), (1708, 163870), (1960, 142801), (2135, 131096), (2341, 119560), (2440, 114709), (2989, 93640), (3416, 81935), (4270, 65548), (4682, 59780), (5978, 46820), (8540, 32774), (9364, 29890), (11705, 23912), (11956, 23410), (14945, 18728), (16387, 17080)]