902608420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{921029}}^1$

素因数の和:921052

約数の個数: 36

約数和(自身を含む): 2204945820

約数和(自身を除く): 1302337400

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 921029, 1842058, 3684116, 4605145, 6447203, 9210290, 12894406, 18420580, 25788812, 32236015, 45130421, 64472030, 90260842, 128944060, 180521684, 225652105, 451304210, 902608420]

約数ペア:

[(1, 902608420), (2, 451304210), (4, 225652105), (5, 180521684), (7, 128944060), (10, 90260842), (14, 64472030), (20, 45130421), (28, 32236015), (35, 25788812), (49, 18420580), (70, 12894406), (98, 9210290), (140, 6447203), (196, 4605145), (245, 3684116), (490, 1842058), (980, 921029)]