715698020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{12421}}^1$

素因数の和:12540

約数の個数: 48

約数和(自身を含む): 1560998208

約数和(自身を除く): 845300188

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 335, 430, 670, 860, 1340, 2881, 5762, 11524, 12421, 14405, 24842, 28810, 49684, 57620, 62105, 124210, 248420, 534103, 832207, 1068206, 1664414, 2136412, 2670515, 3328828, 4161035, 5341030, 8322070, 10682060, 16644140, 35784901, 71569802, 143139604, 178924505, 357849010, 715698020]

約数ペア:

[(1, 715698020), (2, 357849010), (4, 178924505), (5, 143139604), (10, 71569802), (20, 35784901), (43, 16644140), (67, 10682060), (86, 8322070), (134, 5341030), (172, 4161035), (215, 3328828), (268, 2670515), (335, 2136412), (430, 1664414), (670, 1068206), (860, 832207), (1340, 534103), (2881, 248420), (5762, 124210), (11524, 62105), (12421, 57620), (14405, 49684), (24842, 28810)]