51780370

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 99335808

約数和(自身を除く): 47555438

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 131, 145, 235, 262, 290, 470, 655, 841, 1310, 1363, 1682, 2726, 3799, 4205, 6157, 6815, 7598, 8410, 12314, 13630, 18995, 30785, 37990, 39527, 61570, 79054, 110171, 178553, 197635, 220342, 357106, 395270, 550855, 892765, 1101710, 1785530, 5178037, 10356074, 25890185, 51780370]

約数ペア:

[(1, 51780370), (2, 25890185), (5, 10356074), (10, 5178037), (29, 1785530), (47, 1101710), (58, 892765), (94, 550855), (131, 395270), (145, 357106), (235, 220342), (262, 197635), (290, 178553), (470, 110171), (655, 79054), (841, 61570), (1310, 39527), (1363, 37990), (1682, 30785), (2726, 18995), (3799, 13630), (4205, 12314), (6157, 8410), (6815, 7598)]