28856590

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 33351410

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 179, 235, 245, 329, 343, 358, 470, 490, 658, 686, 895, 1253, 1645, 1715, 1790, 2303, 2506, 3290, 3430, 4606, 6265, 8413, 8771, 11515, 12530, 16121, 16826, 17542, 23030, 32242, 42065, 43855, 58891, 61397, 80605, 84130, 87710, 117782, 122794, 161210, 294455, 306985, 412237, 588910, 613970, 824474, 2061185, 2885659, 4122370, 5771318, 14428295, 28856590]

約数ペア:

[(1, 28856590), (2, 14428295), (5, 5771318), (7, 4122370), (10, 2885659), (14, 2061185), (35, 824474), (47, 613970), (49, 588910), (70, 412237), (94, 306985), (98, 294455), (179, 161210), (235, 122794), (245, 117782), (329, 87710), (343, 84130), (358, 80605), (470, 61397), (490, 58891), (658, 43855), (686, 42065), (895, 32242), (1253, 23030), (1645, 17542), (1715, 16826), (1790, 16121), (2303, 12530), (2506, 11515), (3290, 8771), (3430, 8413), (4606, 6265)]