52507420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 129563280

約数和(自身を除く): 77055860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 245, 262, 409, 490, 524, 655, 818, 917, 980, 1310, 1636, 1834, 2045, 2620, 2863, 3668, 4090, 4585, 5726, 6419, 8180, 9170, 11452, 12838, 14315, 18340, 20041, 25676, 28630, 32095, 40082, 53579, 57260, 64190, 80164, 100205, 107158, 128380, 200410, 214316, 267895, 375053, 400820, 535790, 750106, 1071580, 1500212, 1875265, 2625371, 3750530, 5250742, 7501060, 10501484, 13126855, 26253710, 52507420]

約数ペア:

[(1, 52507420), (2, 26253710), (4, 13126855), (5, 10501484), (7, 7501060), (10, 5250742), (14, 3750530), (20, 2625371), (28, 1875265), (35, 1500212), (49, 1071580), (70, 750106), (98, 535790), (131, 400820), (140, 375053), (196, 267895), (245, 214316), (262, 200410), (409, 128380), (490, 107158), (524, 100205), (655, 80164), (818, 64190), (917, 57260), (980, 53579), (1310, 40082), (1636, 32095), (1834, 28630), (2045, 25676), (2620, 20041), (2863, 18340), (3668, 14315), (4090, 12838), (4585, 11452), (5726, 9170), (6419, 8180)]