2543949940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{17489}}^1$

素因数の和:18544

約数の個数: 48

約数和(自身を含む): 6111705600

約数和(自身を除く): 3567755660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1039, 2078, 4156, 5195, 7273, 10390, 14546, 17489, 20780, 29092, 34978, 36365, 69956, 72730, 87445, 122423, 145460, 174890, 244846, 349780, 489692, 612115, 1224230, 2448460, 18171071, 36342142, 72684284, 90855355, 127197497, 181710710, 254394994, 363421420, 508789988, 635987485, 1271974970, 2543949940]

約数ペア:

[(1, 2543949940), (2, 1271974970), (4, 635987485), (5, 508789988), (7, 363421420), (10, 254394994), (14, 181710710), (20, 127197497), (28, 90855355), (35, 72684284), (70, 36342142), (140, 18171071), (1039, 2448460), (2078, 1224230), (4156, 612115), (5195, 489692), (7273, 349780), (10390, 244846), (14546, 174890), (17489, 145460), (20780, 122423), (29092, 87445), (34978, 72730), (36365, 69956)]