261635710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:1009

約数の個数: 64

約数和(自身を含む): 555393024

約数和(自身を除く): 293757314

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 71, 122, 142, 305, 355, 427, 497, 610, 710, 854, 863, 994, 1726, 2135, 2485, 4270, 4315, 4331, 4970, 6041, 8630, 8662, 12082, 21655, 30205, 30317, 43310, 52643, 60410, 60634, 61273, 105286, 122546, 151585, 263215, 303170, 306365, 368501, 428911, 526430, 612730, 737002, 857822, 1842505, 2144555, 3685010, 3737653, 4289110, 7475306, 18688265, 26163571, 37376530, 52327142, 130817855, 261635710]

約数ペア:

[(1, 261635710), (2, 130817855), (5, 52327142), (7, 37376530), (10, 26163571), (14, 18688265), (35, 7475306), (61, 4289110), (70, 3737653), (71, 3685010), (122, 2144555), (142, 1842505), (305, 857822), (355, 737002), (427, 612730), (497, 526430), (610, 428911), (710, 368501), (854, 306365), (863, 303170), (994, 263215), (1726, 151585), (2135, 122546), (2485, 105286), (4270, 61273), (4315, 60634), (4331, 60410), (4970, 52643), (6041, 43310), (8630, 30317), (8662, 30205), (12082, 21655)]