12642790370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{363403}}^1$

素因数の和:363495

約数の個数: 48

約数和(自身を含む): 26845380288

約数和(自身を除く): 14202589918

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 994, 2485, 3479, 4970, 6958, 17395, 34790, 363403, 726806, 1817015, 2543821, 3634030, 5087642, 12719105, 17806747, 25438210, 25801613, 35613494, 51603226, 89033735, 129008065, 178067470, 180611291, 258016130, 361222582, 903056455, 1264279037, 1806112910, 2528558074, 6321395185, 12642790370]

約数ペア:

[(1, 12642790370), (2, 6321395185), (5, 2528558074), (7, 1806112910), (10, 1264279037), (14, 903056455), (35, 361222582), (49, 258016130), (70, 180611291), (71, 178067470), (98, 129008065), (142, 89033735), (245, 51603226), (355, 35613494), (490, 25801613), (497, 25438210), (710, 17806747), (994, 12719105), (2485, 5087642), (3479, 3634030), (4970, 2543821), (6958, 1817015), (17395, 726806), (34790, 363403)]