84241780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1283}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 209024928

約数和(自身を除く): 124783148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 1283, 1340, 1876, 2345, 2566, 3283, 4690, 5132, 6415, 6566, 8981, 9380, 12830, 13132, 16415, 17962, 25660, 32830, 35924, 44905, 62867, 65660, 85961, 89810, 125734, 171922, 179620, 251468, 314335, 343844, 429805, 601727, 628670, 859610, 1203454, 1257340, 1719220, 2406908, 3008635, 4212089, 6017270, 8424178, 12034540, 16848356, 21060445, 42120890, 84241780]

約数ペア:

[(1, 84241780), (2, 42120890), (4, 21060445), (5, 16848356), (7, 12034540), (10, 8424178), (14, 6017270), (20, 4212089), (28, 3008635), (35, 2406908), (49, 1719220), (67, 1257340), (70, 1203454), (98, 859610), (134, 628670), (140, 601727), (196, 429805), (245, 343844), (268, 314335), (335, 251468), (469, 179620), (490, 171922), (670, 125734), (938, 89810), (980, 85961), (1283, 65660), (1340, 62867), (1876, 44905), (2345, 35924), (2566, 32830), (3283, 25660), (4690, 17962), (5132, 16415), (6415, 13132), (6566, 12830), (8981, 9380)]