776502020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{487}}^1\times {\mathrm{1627}}^1$

素因数の和:2137

約数の個数: 72

約数和(自身を含む): 1901946816

約数和(自身を除く): 1125444796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 487, 490, 974, 980, 1627, 1948, 2435, 3254, 3409, 4870, 6508, 6818, 8135, 9740, 11389, 13636, 16270, 17045, 22778, 23863, 32540, 34090, 45556, 47726, 56945, 68180, 79723, 95452, 113890, 119315, 159446, 227780, 238630, 318892, 398615, 477260, 792349, 797230, 1584698, 1594460, 3169396, 3961745, 5546443, 7923490, 11092886, 15846980, 22185772, 27732215, 38825101, 55464430, 77650202, 110928860, 155300404, 194125505, 388251010, 776502020]

約数ペア:

[(1, 776502020), (2, 388251010), (4, 194125505), (5, 155300404), (7, 110928860), (10, 77650202), (14, 55464430), (20, 38825101), (28, 27732215), (35, 22185772), (49, 15846980), (70, 11092886), (98, 7923490), (140, 5546443), (196, 3961745), (245, 3169396), (487, 1594460), (490, 1584698), (974, 797230), (980, 792349), (1627, 477260), (1948, 398615), (2435, 318892), (3254, 238630), (3409, 227780), (4870, 159446), (6508, 119315), (6818, 113890), (8135, 95452), (9740, 79723), (11389, 68180), (13636, 56945), (16270, 47726), (17045, 45556), (22778, 34090), (23863, 32540)]