120802552

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 247050000

約数和(自身を除く): 126247448

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 199, 338, 398, 449, 676, 796, 898, 1352, 1592, 1796, 2587, 3592, 5174, 5837, 10348, 11674, 20696, 23348, 33631, 46696, 67262, 75881, 89351, 134524, 151762, 178702, 269048, 303524, 357404, 607048, 714808, 1161563, 2323126, 4646252, 9292504, 15100319, 30200638, 60401276, 120802552]

約数ペア:

[(1, 120802552), (2, 60401276), (4, 30200638), (8, 15100319), (13, 9292504), (26, 4646252), (52, 2323126), (104, 1161563), (169, 714808), (199, 607048), (338, 357404), (398, 303524), (449, 269048), (676, 178702), (796, 151762), (898, 134524), (1352, 89351), (1592, 75881), (1796, 67262), (2587, 46696), (3592, 33631), (5174, 23348), (5837, 20696), (10348, 11674)]