31514840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{2297}}^1$

素因数の和:2329

約数の個数: 64

約数和(自身を含む): 82728000

約数和(自身を除く): 51213160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2297, 2744, 3430, 4594, 6860, 9188, 11485, 13720, 16079, 18376, 22970, 32158, 45940, 64316, 80395, 91880, 112553, 128632, 160790, 225106, 321580, 450212, 562765, 643160, 787871, 900424, 1125530, 1575742, 2251060, 3151484, 3939355, 4502120, 6302968, 7878710, 15757420, 31514840]

約数ペア:

[(1, 31514840), (2, 15757420), (4, 7878710), (5, 6302968), (7, 4502120), (8, 3939355), (10, 3151484), (14, 2251060), (20, 1575742), (28, 1125530), (35, 900424), (40, 787871), (49, 643160), (56, 562765), (70, 450212), (98, 321580), (140, 225106), (196, 160790), (245, 128632), (280, 112553), (343, 91880), (392, 80395), (490, 64316), (686, 45940), (980, 32158), (1372, 22970), (1715, 18376), (1960, 16079), (2297, 13720), (2744, 11485), (3430, 9188), (4594, 6860)]