87902780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27299}}^1$

素因数の和:27338

約数の個数: 48

約数和(自身を含む): 220147200

約数和(自身を除く): 132244420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 27299, 54598, 109196, 136495, 191093, 272990, 382186, 545980, 627877, 764372, 955465, 1255754, 1910930, 2511508, 3139385, 3821860, 4395139, 6278770, 8790278, 12557540, 17580556, 21975695, 43951390, 87902780]

約数ペア:

[(1, 87902780), (2, 43951390), (4, 21975695), (5, 17580556), (7, 12557540), (10, 8790278), (14, 6278770), (20, 4395139), (23, 3821860), (28, 3139385), (35, 2511508), (46, 1910930), (70, 1255754), (92, 955465), (115, 764372), (140, 627877), (161, 545980), (230, 382186), (322, 272990), (460, 191093), (644, 136495), (805, 109196), (1610, 54598), (3220, 27299)]