1118740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 2749824

約数和(自身を除く): 1631084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 131, 140, 244, 262, 305, 427, 524, 610, 655, 854, 917, 1220, 1310, 1708, 1834, 2135, 2620, 3668, 4270, 4585, 7991, 8540, 9170, 15982, 18340, 31964, 39955, 55937, 79910, 111874, 159820, 223748, 279685, 559370, 1118740]

約数ペア:

[(1, 1118740), (2, 559370), (4, 279685), (5, 223748), (7, 159820), (10, 111874), (14, 79910), (20, 55937), (28, 39955), (35, 31964), (61, 18340), (70, 15982), (122, 9170), (131, 8540), (140, 7991), (244, 4585), (262, 4270), (305, 3668), (427, 2620), (524, 2135), (610, 1834), (655, 1708), (854, 1310), (917, 1220)]