91341020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 195592320

約数和(自身を除く): 104251300

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 197, 239, 388, 394, 478, 485, 788, 956, 970, 985, 1195, 1940, 1970, 2390, 3940, 4780, 19109, 23183, 38218, 46366, 47083, 76436, 92732, 94166, 95545, 115915, 188332, 191090, 231830, 235415, 382180, 463660, 470830, 941660, 4567051, 9134102, 18268204, 22835255, 45670510, 91341020]

約数ペア:

[(1, 91341020), (2, 45670510), (4, 22835255), (5, 18268204), (10, 9134102), (20, 4567051), (97, 941660), (194, 470830), (197, 463660), (239, 382180), (388, 235415), (394, 231830), (478, 191090), (485, 188332), (788, 115915), (956, 95545), (970, 94166), (985, 92732), (1195, 76436), (1940, 47083), (1970, 46366), (2390, 38218), (3940, 23183), (4780, 19109)]