31440010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 67852800

約数和(自身を除く): 36412790

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 61, 70, 74, 122, 185, 199, 259, 305, 370, 398, 427, 518, 610, 854, 995, 1295, 1393, 1990, 2135, 2257, 2590, 2786, 4270, 4514, 6965, 7363, 11285, 12139, 13930, 14726, 15799, 22570, 24278, 31598, 36815, 51541, 60695, 73630, 78995, 84973, 103082, 121390, 157990, 169946, 257705, 424865, 449143, 515410, 849730, 898286, 2245715, 3144001, 4491430, 6288002, 15720005, 31440010]

約数ペア:

[(1, 31440010), (2, 15720005), (5, 6288002), (7, 4491430), (10, 3144001), (14, 2245715), (35, 898286), (37, 849730), (61, 515410), (70, 449143), (74, 424865), (122, 257705), (185, 169946), (199, 157990), (259, 121390), (305, 103082), (370, 84973), (398, 78995), (427, 73630), (518, 60695), (610, 51541), (854, 36815), (995, 31598), (1295, 24278), (1393, 22570), (1990, 15799), (2135, 14726), (2257, 13930), (2590, 12139), (2786, 11285), (4270, 7363), (4514, 6965)]