668868340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{65447}}^1$

素因数の和:65536

約数の個数: 48

約数和(自身を含む): 1627299072

約数和(自身を除く): 958430732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 65447, 130894, 261788, 327235, 458129, 654470, 916258, 1308940, 1832516, 2290645, 4581290, 4777631, 9162580, 9555262, 19110524, 23888155, 33443417, 47776310, 66886834, 95552620, 133773668, 167217085, 334434170, 668868340]

約数ペア:

[(1, 668868340), (2, 334434170), (4, 167217085), (5, 133773668), (7, 95552620), (10, 66886834), (14, 47776310), (20, 33443417), (28, 23888155), (35, 19110524), (70, 9555262), (73, 9162580), (140, 4777631), (146, 4581290), (292, 2290645), (365, 1832516), (511, 1308940), (730, 916258), (1022, 654470), (1460, 458129), (2044, 327235), (2555, 261788), (5110, 130894), (10220, 65447)]