328666340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{827}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 714438144

約数和(自身を除く): 385771804

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 641, 827, 1282, 1654, 2564, 3205, 3308, 4135, 6410, 8270, 12820, 16540, 19871, 25637, 39742, 51274, 79484, 99355, 102548, 128185, 198710, 256370, 397420, 512740, 530107, 1060214, 2120428, 2650535, 5301070, 10602140, 16433317, 32866634, 65733268, 82166585, 164333170, 328666340]

約数ペア:

[(1, 328666340), (2, 164333170), (4, 82166585), (5, 65733268), (10, 32866634), (20, 16433317), (31, 10602140), (62, 5301070), (124, 2650535), (155, 2120428), (310, 1060214), (620, 530107), (641, 512740), (827, 397420), (1282, 256370), (1654, 198710), (2564, 128185), (3205, 102548), (3308, 99355), (4135, 79484), (6410, 51274), (8270, 39742), (12820, 25637), (16540, 19871)]