2807746060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{66629}}^1$

素因数の和:66695

約数の個数: 72

約数和(自身を含む): 7018537680

約数和(自身を除く): 4210791620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 8428, 10535, 21070, 42140, 66629, 133258, 266516, 333145, 466403, 666290, 932806, 1332580, 1865612, 2332015, 2865047, 3264821, 4664030, 5730094, 6529642, 9328060, 11460188, 13059284, 14325235, 16324105, 20055329, 28650470, 32648210, 40110658, 57300940, 65296420, 80221316, 100276645, 140387303, 200553290, 280774606, 401106580, 561549212, 701936515, 1403873030, 2807746060]

約数ペア:

[(1, 2807746060), (2, 1403873030), (4, 701936515), (5, 561549212), (7, 401106580), (10, 280774606), (14, 200553290), (20, 140387303), (28, 100276645), (35, 80221316), (43, 65296420), (49, 57300940), (70, 40110658), (86, 32648210), (98, 28650470), (140, 20055329), (172, 16324105), (196, 14325235), (215, 13059284), (245, 11460188), (301, 9328060), (430, 6529642), (490, 5730094), (602, 4664030), (860, 3264821), (980, 2865047), (1204, 2332015), (1505, 1865612), (2107, 1332580), (3010, 932806), (4214, 666290), (6020, 466403), (8428, 333145), (10535, 266516), (21070, 133258), (42140, 66629)]