123896360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{442487}}^1$

素因数の和:442505

約数の個数: 32

約数和(自身を含む): 318591360

約数和(自身を除く): 194695000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 442487, 884974, 1769948, 2212435, 3097409, 3539896, 4424870, 6194818, 8849740, 12389636, 15487045, 17699480, 24779272, 30974090, 61948180, 123896360]

約数ペア:

[(1, 123896360), (2, 61948180), (4, 30974090), (5, 24779272), (7, 17699480), (8, 15487045), (10, 12389636), (14, 8849740), (20, 6194818), (28, 4424870), (35, 3539896), (40, 3097409), (56, 2212435), (70, 1769948), (140, 884974), (280, 442487)]