321806380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{2621}}^1$

素因数の和:3514

約数の個数: 48

約数和(自身を含む): 773510976

約数和(自身を除く): 451704596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 877, 1754, 2621, 3508, 4385, 5242, 6139, 8770, 10484, 12278, 13105, 17540, 18347, 24556, 26210, 30695, 36694, 52420, 61390, 73388, 91735, 122780, 183470, 366940, 2298617, 4597234, 9194468, 11493085, 16090319, 22986170, 32180638, 45972340, 64361276, 80451595, 160903190, 321806380]

約数ペア:

[(1, 321806380), (2, 160903190), (4, 80451595), (5, 64361276), (7, 45972340), (10, 32180638), (14, 22986170), (20, 16090319), (28, 11493085), (35, 9194468), (70, 4597234), (140, 2298617), (877, 366940), (1754, 183470), (2621, 122780), (3508, 91735), (4385, 73388), (5242, 61390), (6139, 52420), (8770, 36694), (10484, 30695), (12278, 26210), (13105, 24556), (17540, 18347)]