12380620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{463}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 29933568

約数和(自身を除く): 17552948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 463, 764, 926, 955, 1337, 1852, 1910, 2315, 2674, 3241, 3820, 4630, 5348, 6482, 6685, 9260, 12964, 13370, 16205, 26740, 32410, 64820, 88433, 176866, 353732, 442165, 619031, 884330, 1238062, 1768660, 2476124, 3095155, 6190310, 12380620]

約数ペア:

[(1, 12380620), (2, 6190310), (4, 3095155), (5, 2476124), (7, 1768660), (10, 1238062), (14, 884330), (20, 619031), (28, 442165), (35, 353732), (70, 176866), (140, 88433), (191, 64820), (382, 32410), (463, 26740), (764, 16205), (926, 13370), (955, 12964), (1337, 9260), (1852, 6685), (1910, 6482), (2315, 5348), (2674, 4630), (3241, 3820)]