2740512980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{77723}}^1$

素因数の和:77816

約数の個数: 48

約数和(自身を含む): 6032625984

約数和(自身を除く): 3292113004

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 35260, 77723, 155446, 310892, 388615, 777230, 1554460, 3186643, 3342089, 6373286, 6684178, 12746572, 13368356, 15933215, 16710445, 31866430, 33420890, 63732860, 66841780, 137025649, 274051298, 548102596, 685128245, 1370256490, 2740512980]

約数ペア:

[(1, 2740512980), (2, 1370256490), (4, 685128245), (5, 548102596), (10, 274051298), (20, 137025649), (41, 66841780), (43, 63732860), (82, 33420890), (86, 31866430), (164, 16710445), (172, 15933215), (205, 13368356), (215, 12746572), (410, 6684178), (430, 6373286), (820, 3342089), (860, 3186643), (1763, 1554460), (3526, 777230), (7052, 388615), (8815, 310892), (17630, 155446), (35260, 77723)]