77443660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1997}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 186629184

約数和(自身を除く): 109185524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1939, 1997, 2770, 3878, 3994, 5540, 7756, 7988, 9695, 9985, 13979, 19390, 19970, 27958, 38780, 39940, 55916, 69895, 139790, 279580, 553169, 1106338, 2212676, 2765845, 3872183, 5531690, 7744366, 11063380, 15488732, 19360915, 38721830, 77443660]

約数ペア:

[(1, 77443660), (2, 38721830), (4, 19360915), (5, 15488732), (7, 11063380), (10, 7744366), (14, 5531690), (20, 3872183), (28, 2765845), (35, 2212676), (70, 1106338), (140, 553169), (277, 279580), (554, 139790), (1108, 69895), (1385, 55916), (1939, 39940), (1997, 38780), (2770, 27958), (3878, 19970), (3994, 19390), (5540, 13979), (7756, 9985), (7988, 9695)]