999156737020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19387}}^1\times {\mathrm{198221}}^1$

素因数の和:217630

約数の個数: 48

約数和(自身を含む): 2259759343968

約数和(自身を除く): 1260602606948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 19387, 38774, 77548, 96935, 193870, 198221, 252031, 387740, 396442, 504062, 792884, 991105, 1008124, 1260155, 1982210, 2520310, 2576873, 3964420, 5040620, 5153746, 10307492, 12884365, 25768730, 51537460, 3842910527, 7685821054, 15371642108, 19214552635, 38429105270, 49957836851, 76858210540, 99915673702, 199831347404, 249789184255, 499578368510, 999156737020]

約数ペア:

[(1, 999156737020), (2, 499578368510), (4, 249789184255), (5, 199831347404), (10, 99915673702), (13, 76858210540), (20, 49957836851), (26, 38429105270), (52, 19214552635), (65, 15371642108), (130, 7685821054), (260, 3842910527), (19387, 51537460), (38774, 25768730), (77548, 12884365), (96935, 10307492), (193870, 5153746), (198221, 5040620), (252031, 3964420), (387740, 2576873), (396442, 2520310), (504062, 1982210), (792884, 1260155), (991105, 1008124)]