127520260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12829}}^1$

素因数の和:12916

約数の個数: 48

約数和(自身を含む): 310383360

約数和(自身を除く): 182863100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 12829, 25658, 51316, 64145, 89803, 128290, 179606, 256580, 359212, 449015, 898030, 910859, 1796060, 1821718, 3643436, 4554295, 6376013, 9108590, 12752026, 18217180, 25504052, 31880065, 63760130, 127520260]

約数ペア:

[(1, 127520260), (2, 63760130), (4, 31880065), (5, 25504052), (7, 18217180), (10, 12752026), (14, 9108590), (20, 6376013), (28, 4554295), (35, 3643436), (70, 1821718), (71, 1796060), (140, 910859), (142, 898030), (284, 449015), (355, 359212), (497, 256580), (710, 179606), (994, 128290), (1420, 89803), (1988, 64145), (2485, 51316), (4970, 25658), (9940, 12829)]