2011680385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{397}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 3000856320

約数和(自身を除く): 989175935

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 373, 397, 715, 1045, 1235, 1865, 1985, 2717, 4103, 4367, 4849, 5161, 7087, 7543, 13585, 20515, 21835, 24245, 25805, 35435, 37715, 53339, 56771, 77957, 82973, 92131, 98059, 148081, 266695, 283855, 389785, 414865, 460655, 490295, 740405, 1013441, 1078649, 1628891, 1925053, 2813539, 5067205, 5393245, 8144455, 9625265, 14067695, 21175583, 30948929, 36576007, 105877915, 154744645, 182880035, 402336077, 2011680385]

約数ペア:

[(1, 2011680385), (5, 402336077), (11, 182880035), (13, 154744645), (19, 105877915), (55, 36576007), (65, 30948929), (95, 21175583), (143, 14067695), (209, 9625265), (247, 8144455), (373, 5393245), (397, 5067205), (715, 2813539), (1045, 1925053), (1235, 1628891), (1865, 1078649), (1985, 1013441), (2717, 740405), (4103, 490295), (4367, 460655), (4849, 414865), (5161, 389785), (7087, 283855), (7543, 266695), (13585, 148081), (20515, 98059), (21835, 92131), (24245, 82973), (25805, 77957), (35435, 56771), (37715, 53339)]