208315520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{46499}}^1$

素因数の和:46525

約数の個数: 64

約数和(自身を含む): 569160000

約数和(自身を除く): 360844480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 46499, 92998, 185996, 232495, 325493, 371992, 464990, 650986, 743984, 929980, 1301972, 1487968, 1627465, 1859960, 2603944, 2975936, 3254930, 3719920, 5207888, 5951872, 6509860, 7439840, 10415776, 13019720, 14879680, 20831552, 26039440, 29759360, 41663104, 52078880, 104157760, 208315520]

約数ペア:

[(1, 208315520), (2, 104157760), (4, 52078880), (5, 41663104), (7, 29759360), (8, 26039440), (10, 20831552), (14, 14879680), (16, 13019720), (20, 10415776), (28, 7439840), (32, 6509860), (35, 5951872), (40, 5207888), (56, 3719920), (64, 3254930), (70, 2975936), (80, 2603944), (112, 1859960), (128, 1627465), (140, 1487968), (160, 1301972), (224, 929980), (280, 743984), (320, 650986), (448, 464990), (560, 371992), (640, 325493), (896, 232495), (1120, 185996), (2240, 92998), (4480, 46499)]