69897580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 155232000

約数和(自身を除く): 85334420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 419, 439, 838, 878, 1676, 1756, 2095, 2195, 4190, 4390, 7961, 8341, 8380, 8780, 15922, 16682, 31844, 33364, 39805, 41705, 79610, 83410, 159220, 166820, 183941, 367882, 735764, 919705, 1839410, 3494879, 3678820, 6989758, 13979516, 17474395, 34948790, 69897580]

約数ペア:

[(1, 69897580), (2, 34948790), (4, 17474395), (5, 13979516), (10, 6989758), (19, 3678820), (20, 3494879), (38, 1839410), (76, 919705), (95, 735764), (190, 367882), (380, 183941), (419, 166820), (439, 159220), (838, 83410), (878, 79610), (1676, 41705), (1756, 39805), (2095, 33364), (2195, 31844), (4190, 16682), (4390, 15922), (7961, 8780), (8341, 8380)]