75691640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 176472000

約数和(自身を除く): 100780360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 199, 257, 296, 370, 398, 514, 740, 796, 995, 1028, 1285, 1480, 1592, 1990, 2056, 2570, 3980, 5140, 7363, 7960, 9509, 10280, 14726, 19018, 29452, 36815, 38036, 47545, 51143, 58904, 73630, 76072, 95090, 102286, 147260, 190180, 204572, 255715, 294520, 380360, 409144, 511430, 1022860, 1892291, 2045720, 3784582, 7569164, 9461455, 15138328, 18922910, 37845820, 75691640]

約数ペア:

[(1, 75691640), (2, 37845820), (4, 18922910), (5, 15138328), (8, 9461455), (10, 7569164), (20, 3784582), (37, 2045720), (40, 1892291), (74, 1022860), (148, 511430), (185, 409144), (199, 380360), (257, 294520), (296, 255715), (370, 204572), (398, 190180), (514, 147260), (740, 102286), (796, 95090), (995, 76072), (1028, 73630), (1285, 58904), (1480, 51143), (1592, 47545), (1990, 38036), (2056, 36815), (2570, 29452), (3980, 19018), (5140, 14726), (7363, 10280), (7960, 9509)]