322420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{47}}^1$

素因数の和:77

約数の個数: 48

約数和(自身を含む): 806400

約数和(自身を除く): 483980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 343, 470, 490, 658, 686, 940, 980, 1316, 1372, 1645, 1715, 2303, 3290, 3430, 4606, 6580, 6860, 9212, 11515, 16121, 23030, 32242, 46060, 64484, 80605, 161210, 322420]

約数ペア:

[(1, 322420), (2, 161210), (4, 80605), (5, 64484), (7, 46060), (10, 32242), (14, 23030), (20, 16121), (28, 11515), (35, 9212), (47, 6860), (49, 6580), (70, 4606), (94, 3430), (98, 3290), (140, 2303), (188, 1715), (196, 1645), (235, 1372), (245, 1316), (329, 980), (343, 940), (470, 686), (490, 658)]