1968659620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{13901}}^1$

素因数の和:14080

約数の個数: 48

約数和(自身を含む): 4234326768

約数和(自身を除く): 2265667148

約数列:

[1, 2, 4, 5, 10, 20, 73, 97, 146, 194, 292, 365, 388, 485, 730, 970, 1460, 1940, 7081, 13901, 14162, 27802, 28324, 35405, 55604, 69505, 70810, 139010, 141620, 278020, 1014773, 1348397, 2029546, 2696794, 4059092, 5073865, 5393588, 6741985, 10147730, 13483970, 20295460, 26967940, 98432981, 196865962, 393731924, 492164905, 984329810, 1968659620]

約数ペア:

[(1, 1968659620), (2, 984329810), (4, 492164905), (5, 393731924), (10, 196865962), (20, 98432981), (73, 26967940), (97, 20295460), (146, 13483970), (194, 10147730), (292, 6741985), (365, 5393588), (388, 5073865), (485, 4059092), (730, 2696794), (970, 2029546), (1460, 1348397), (1940, 1014773), (7081, 278020), (13901, 141620), (14162, 139010), (27802, 70810), (28324, 69505), (35405, 55604)]