2256940

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{47}}^1$

素因数の和:84

約数の個数: 60

約数和(自身を含む): 5646816

約数和(自身を除く): 3389876

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, 2401, 3290, 3430, 4606, 4802, 6580, 6860, 9212, 9604, 11515, 12005, 16121, 23030, 24010, 32242, 46060, 48020, 64484, 80605, 112847, 161210, 225694, 322420, 451388, 564235, 1128470, 2256940]

約数ペア:

[(1, 2256940), (2, 1128470), (4, 564235), (5, 451388), (7, 322420), (10, 225694), (14, 161210), (20, 112847), (28, 80605), (35, 64484), (47, 48020), (49, 46060), (70, 32242), (94, 24010), (98, 23030), (140, 16121), (188, 12005), (196, 11515), (235, 9604), (245, 9212), (329, 6860), (343, 6580), (470, 4802), (490, 4606), (658, 3430), (686, 3290), (940, 2401), (980, 2303), (1316, 1715), (1372, 1645)]