1900666720

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{177301}}^1$

素因数の和:177383

約数の個数: 48

約数和(自身を含む): 4557370608

約数和(自身を除く): 2656703888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360, 10720, 177301, 354602, 709204, 886505, 1418408, 1773010, 2836816, 3546020, 5673632, 7092040, 11879167, 14184080, 23758334, 28368160, 47516668, 59395835, 95033336, 118791670, 190066672, 237583340, 380133344, 475166680, 950333360, 1900666720]

約数ペア:

[(1, 1900666720), (2, 950333360), (4, 475166680), (5, 380133344), (8, 237583340), (10, 190066672), (16, 118791670), (20, 95033336), (32, 59395835), (40, 47516668), (67, 28368160), (80, 23758334), (134, 14184080), (160, 11879167), (268, 7092040), (335, 5673632), (536, 3546020), (670, 2836816), (1072, 1773010), (1340, 1418408), (2144, 886505), (2680, 709204), (5360, 354602), (10720, 177301)]