29906660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{30517}}^1$

素因数の和:30540

約数の個数: 36

約数和(自身を含む): 73060092

約数和(自身を除く): 43153432

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 30517, 61034, 122068, 152585, 213619, 305170, 427238, 610340, 854476, 1068095, 1495333, 2136190, 2990666, 4272380, 5981332, 7476665, 14953330, 29906660]

約数ペア:

[(1, 29906660), (2, 14953330), (4, 7476665), (5, 5981332), (7, 4272380), (10, 2990666), (14, 2136190), (20, 1495333), (28, 1068095), (35, 854476), (49, 610340), (70, 427238), (98, 305170), (140, 213619), (196, 152585), (245, 122068), (490, 61034), (980, 30517)]