69977180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38449}}^1$

素因数の和:38478

約数の個数: 48

約数和(自身を含む): 180868800

約数和(自身を除く): 110891620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 38449, 76898, 153796, 192245, 269143, 384490, 499837, 538286, 768980, 999674, 1076572, 1345715, 1999348, 2499185, 2691430, 3498859, 4998370, 5382860, 6997718, 9996740, 13995436, 17494295, 34988590, 69977180]

約数ペア:

[(1, 69977180), (2, 34988590), (4, 17494295), (5, 13995436), (7, 9996740), (10, 6997718), (13, 5382860), (14, 4998370), (20, 3498859), (26, 2691430), (28, 2499185), (35, 1999348), (52, 1345715), (65, 1076572), (70, 999674), (91, 768980), (130, 538286), (140, 499837), (182, 384490), (260, 269143), (364, 192245), (455, 153796), (910, 76898), (1820, 38449)]