138653480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1613}}^1$

素因数の和:1938

約数の個数: 64

約数和(自身を含む): 357920640

約数和(自身を除く): 219267160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 1228, 1535, 1613, 2149, 2456, 3070, 3226, 4298, 6140, 6452, 8065, 8596, 10745, 11291, 12280, 12904, 16130, 17192, 21490, 22582, 32260, 42980, 45164, 56455, 64520, 85960, 90328, 112910, 225820, 451640, 495191, 990382, 1980764, 2475955, 3466337, 3961528, 4951910, 6932674, 9903820, 13865348, 17331685, 19807640, 27730696, 34663370, 69326740, 138653480]

約数ペア:

[(1, 138653480), (2, 69326740), (4, 34663370), (5, 27730696), (7, 19807640), (8, 17331685), (10, 13865348), (14, 9903820), (20, 6932674), (28, 4951910), (35, 3961528), (40, 3466337), (56, 2475955), (70, 1980764), (140, 990382), (280, 495191), (307, 451640), (614, 225820), (1228, 112910), (1535, 90328), (1613, 85960), (2149, 64520), (2456, 56455), (3070, 45164), (3226, 42980), (4298, 32260), (6140, 22582), (6452, 21490), (8065, 17192), (8596, 16130), (10745, 12904), (11291, 12280)]