447020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 1118208

約数和(自身を除く): 671188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 103, 124, 140, 155, 206, 217, 310, 412, 434, 515, 620, 721, 868, 1030, 1085, 1442, 2060, 2170, 2884, 3193, 3605, 4340, 6386, 7210, 12772, 14420, 15965, 22351, 31930, 44702, 63860, 89404, 111755, 223510, 447020]

約数ペア:

[(1, 447020), (2, 223510), (4, 111755), (5, 89404), (7, 63860), (10, 44702), (14, 31930), (20, 22351), (28, 15965), (31, 14420), (35, 12772), (62, 7210), (70, 6386), (103, 4340), (124, 3605), (140, 3193), (155, 2884), (206, 2170), (217, 2060), (310, 1442), (412, 1085), (434, 1030), (515, 868), (620, 721)]