1777769980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1814051}}^1$

素因数の和:1814074

約数の個数: 36

約数和(自身を含む): 4342840488

約数和(自身を除く): 2565070508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1814051, 3628102, 7256204, 9070255, 12698357, 18140510, 25396714, 36281020, 50793428, 63491785, 88888499, 126983570, 177776998, 253967140, 355553996, 444442495, 888884990, 1777769980]

約数ペア:

[(1, 1777769980), (2, 888884990), (4, 444442495), (5, 355553996), (7, 253967140), (10, 177776998), (14, 126983570), (20, 88888499), (28, 63491785), (35, 50793428), (49, 36281020), (70, 25396714), (98, 18140510), (140, 12698357), (196, 9070255), (245, 7256204), (490, 3628102), (980, 1814051)]