690857776

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 1558739520

約数和(自身を除く): 867881744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 157, 202, 314, 389, 404, 628, 707, 778, 808, 1099, 1256, 1414, 1556, 1616, 2198, 2512, 2723, 2828, 3112, 4396, 5446, 5656, 6224, 8792, 10892, 11312, 15857, 17584, 21784, 31714, 39289, 43568, 61073, 63428, 78578, 110999, 122146, 126856, 157156, 221998, 244292, 253712, 275023, 314312, 427511, 443996, 488584, 550046, 628624, 855022, 887992, 977168, 1100092, 1710044, 1775984, 2200184, 3420088, 4400368, 6168373, 6840176, 12336746, 24673492, 43178611, 49346984, 86357222, 98693968, 172714444, 345428888, 690857776]

約数ペア:

[(1, 690857776), (2, 345428888), (4, 172714444), (7, 98693968), (8, 86357222), (14, 49346984), (16, 43178611), (28, 24673492), (56, 12336746), (101, 6840176), (112, 6168373), (157, 4400368), (202, 3420088), (314, 2200184), (389, 1775984), (404, 1710044), (628, 1100092), (707, 977168), (778, 887992), (808, 855022), (1099, 628624), (1256, 550046), (1414, 488584), (1556, 443996), (1616, 427511), (2198, 314312), (2512, 275023), (2723, 253712), (2828, 244292), (3112, 221998), (4396, 157156), (5446, 126856), (5656, 122146), (6224, 110999), (8792, 78578), (10892, 63428), (11312, 61073), (15857, 43568), (17584, 39289), (21784, 31714)]