38898160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{9923}}^1$

素因数の和:9950

約数の個数: 60

約数和(自身を含む): 105214248

約数和(自身を除く): 66316088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 9923, 19846, 39692, 49615, 69461, 79384, 99230, 138922, 158768, 198460, 277844, 347305, 396920, 486227, 555688, 694610, 793840, 972454, 1111376, 1389220, 1944908, 2431135, 2778440, 3889816, 4862270, 5556880, 7779632, 9724540, 19449080, 38898160]

約数ペア:

[(1, 38898160), (2, 19449080), (4, 9724540), (5, 7779632), (7, 5556880), (8, 4862270), (10, 3889816), (14, 2778440), (16, 2431135), (20, 1944908), (28, 1389220), (35, 1111376), (40, 972454), (49, 793840), (56, 694610), (70, 555688), (80, 486227), (98, 396920), (112, 347305), (140, 277844), (196, 198460), (245, 158768), (280, 138922), (392, 99230), (490, 79384), (560, 69461), (784, 49615), (980, 39692), (1960, 19846), (3920, 9923)]