149391700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 336853440

約数和(自身を除く): 187461740

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 83, 100, 164, 166, 205, 332, 410, 415, 439, 820, 830, 878, 1025, 1660, 1756, 2050, 2075, 2195, 3403, 4100, 4150, 4390, 6806, 8300, 8780, 10975, 13612, 17015, 17999, 21950, 34030, 35998, 36437, 43900, 68060, 71996, 72874, 85075, 89995, 145748, 170150, 179990, 182185, 340300, 359980, 364370, 449975, 728740, 899950, 910925, 1493917, 1799900, 1821850, 2987834, 3643700, 5975668, 7469585, 14939170, 29878340, 37347925, 74695850, 149391700]

約数ペア:

[(1, 149391700), (2, 74695850), (4, 37347925), (5, 29878340), (10, 14939170), (20, 7469585), (25, 5975668), (41, 3643700), (50, 2987834), (82, 1821850), (83, 1799900), (100, 1493917), (164, 910925), (166, 899950), (205, 728740), (332, 449975), (410, 364370), (415, 359980), (439, 340300), (820, 182185), (830, 179990), (878, 170150), (1025, 145748), (1660, 89995), (1756, 85075), (2050, 72874), (2075, 71996), (2195, 68060), (3403, 43900), (4100, 36437), (4150, 35998), (4390, 34030), (6806, 21950), (8300, 17999), (8780, 17015), (10975, 13612)]