34405980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{81919}}^1$

素因数の和:81938

約数の個数: 48

約数和(自身を含む): 110100480

約数和(自身を除く): 75694500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 81919, 163838, 245757, 327676, 409595, 491514, 573433, 819190, 983028, 1146866, 1228785, 1638380, 1720299, 2293732, 2457570, 2867165, 3440598, 4915140, 5734330, 6881196, 8601495, 11468660, 17202990, 34405980]

約数ペア:

[(1, 34405980), (2, 17202990), (3, 11468660), (4, 8601495), (5, 6881196), (6, 5734330), (7, 4915140), (10, 3440598), (12, 2867165), (14, 2457570), (15, 2293732), (20, 1720299), (21, 1638380), (28, 1228785), (30, 1146866), (35, 983028), (42, 819190), (60, 573433), (70, 491514), (84, 409595), (105, 327676), (140, 245757), (210, 163838), (420, 81919)]