665275940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{96979}}^1$

素因数の和:97009

約数の個数: 48

約数和(自身を含む): 1629264000

約数和(自身を除く): 963988060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 96979, 193958, 387916, 484895, 678853, 969790, 1357706, 1939580, 2715412, 3394265, 4751971, 6788530, 9503942, 13577060, 19007884, 23759855, 33263797, 47519710, 66527594, 95039420, 133055188, 166318985, 332637970, 665275940]

約数ペア:

[(1, 665275940), (2, 332637970), (4, 166318985), (5, 133055188), (7, 95039420), (10, 66527594), (14, 47519710), (20, 33263797), (28, 23759855), (35, 19007884), (49, 13577060), (70, 9503942), (98, 6788530), (140, 4751971), (196, 3394265), (245, 2715412), (343, 1939580), (490, 1357706), (686, 969790), (980, 678853), (1372, 484895), (1715, 387916), (3430, 193958), (6860, 96979)]