2237480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 5892480

約数和(自身を除く): 3655000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 131, 140, 244, 262, 280, 305, 427, 488, 524, 610, 655, 854, 917, 1048, 1220, 1310, 1708, 1834, 2135, 2440, 2620, 3416, 3668, 4270, 4585, 5240, 7336, 7991, 8540, 9170, 15982, 17080, 18340, 31964, 36680, 39955, 55937, 63928, 79910, 111874, 159820, 223748, 279685, 319640, 447496, 559370, 1118740, 2237480]

約数ペア:

[(1, 2237480), (2, 1118740), (4, 559370), (5, 447496), (7, 319640), (8, 279685), (10, 223748), (14, 159820), (20, 111874), (28, 79910), (35, 63928), (40, 55937), (56, 39955), (61, 36680), (70, 31964), (122, 18340), (131, 17080), (140, 15982), (244, 9170), (262, 8540), (280, 7991), (305, 7336), (427, 5240), (488, 4585), (524, 4270), (610, 3668), (655, 3416), (854, 2620), (917, 2440), (1048, 2135), (1220, 1834), (1310, 1708)]