242578420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{247529}}^1$

素因数の和:247552

約数の個数: 36

約数和(自身を含む): 592586820

約数和(自身を除く): 350008400

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 247529, 495058, 990116, 1237645, 1732703, 2475290, 3465406, 4950580, 6930812, 8663515, 12128921, 17327030, 24257842, 34654060, 48515684, 60644605, 121289210, 242578420]

約数ペア:

[(1, 242578420), (2, 121289210), (4, 60644605), (5, 48515684), (7, 34654060), (10, 24257842), (14, 17327030), (20, 12128921), (28, 8663515), (35, 6930812), (49, 4950580), (70, 3465406), (98, 2475290), (140, 1732703), (196, 1237645), (245, 990116), (490, 495058), (980, 247529)]