12243820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 27498240

約数和(自身を除く): 15254420

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 619, 860, 989, 1238, 1978, 2476, 3095, 3956, 4945, 6190, 9890, 12380, 14237, 19780, 26617, 28474, 53234, 56948, 71185, 106468, 133085, 142370, 266170, 284740, 532340, 612191, 1224382, 2448764, 3060955, 6121910, 12243820]

約数ペア:

[(1, 12243820), (2, 6121910), (4, 3060955), (5, 2448764), (10, 1224382), (20, 612191), (23, 532340), (43, 284740), (46, 266170), (86, 142370), (92, 133085), (115, 106468), (172, 71185), (215, 56948), (230, 53234), (430, 28474), (460, 26617), (619, 19780), (860, 14237), (989, 12380), (1238, 9890), (1978, 6190), (2476, 4945), (3095, 3956)]