3440710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 8064000

約数和(自身を除く): 4623290

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 199, 247, 266, 398, 455, 494, 665, 910, 995, 1235, 1330, 1393, 1729, 1990, 2470, 2587, 2786, 3458, 3781, 5174, 6965, 7562, 8645, 12935, 13930, 17290, 18109, 18905, 25870, 26467, 36218, 37810, 49153, 52934, 90545, 98306, 132335, 181090, 245765, 264670, 344071, 491530, 688142, 1720355, 3440710]

約数ペア:

[(1, 3440710), (2, 1720355), (5, 688142), (7, 491530), (10, 344071), (13, 264670), (14, 245765), (19, 181090), (26, 132335), (35, 98306), (38, 90545), (65, 52934), (70, 49153), (91, 37810), (95, 36218), (130, 26467), (133, 25870), (182, 18905), (190, 18109), (199, 17290), (247, 13930), (266, 12935), (398, 8645), (455, 7562), (494, 6965), (665, 5174), (910, 3781), (995, 3458), (1235, 2786), (1330, 2587), (1393, 2470), (1729, 1990)]