6647620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 16144128

約数和(自身を除く): 9496508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 461, 515, 721, 922, 1030, 1442, 1844, 2060, 2305, 2884, 3227, 3605, 4610, 6454, 7210, 9220, 12908, 14420, 16135, 32270, 47483, 64540, 94966, 189932, 237415, 332381, 474830, 664762, 949660, 1329524, 1661905, 3323810, 6647620]

約数ペア:

[(1, 6647620), (2, 3323810), (4, 1661905), (5, 1329524), (7, 949660), (10, 664762), (14, 474830), (20, 332381), (28, 237415), (35, 189932), (70, 94966), (103, 64540), (140, 47483), (206, 32270), (412, 16135), (461, 14420), (515, 12908), (721, 9220), (922, 7210), (1030, 6454), (1442, 4610), (1844, 3605), (2060, 3227), (2305, 2884)]