419818360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4057}}^1$

素因数の和:4280

約数の個数: 64

約数和(自身を含む): 1022616000

約数和(自身を除く): 602797640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 796, 995, 1592, 1990, 2587, 3980, 4057, 5174, 7960, 8114, 10348, 12935, 16228, 20285, 20696, 25870, 32456, 40570, 51740, 52741, 81140, 103480, 105482, 162280, 210964, 263705, 421928, 527410, 807343, 1054820, 1614686, 2109640, 3229372, 4036715, 6458744, 8073430, 10495459, 16146860, 20990918, 32293720, 41981836, 52477295, 83963672, 104954590, 209909180, 419818360]

約数ペア:

[(1, 419818360), (2, 209909180), (4, 104954590), (5, 83963672), (8, 52477295), (10, 41981836), (13, 32293720), (20, 20990918), (26, 16146860), (40, 10495459), (52, 8073430), (65, 6458744), (104, 4036715), (130, 3229372), (199, 2109640), (260, 1614686), (398, 1054820), (520, 807343), (796, 527410), (995, 421928), (1592, 263705), (1990, 210964), (2587, 162280), (3980, 105482), (4057, 103480), (5174, 81140), (7960, 52741), (8114, 51740), (10348, 40570), (12935, 32456), (16228, 25870), (20285, 20696)]