329777840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{84127}}^1$

素因数の和:84154

約数の個数: 60

約数和(自身を含む): 891925056

約数和(自身を除く): 562147216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 84127, 168254, 336508, 420635, 588889, 673016, 841270, 1177778, 1346032, 1682540, 2355556, 2944445, 3365080, 4122223, 4711112, 5888890, 6730160, 8244446, 9422224, 11777780, 16488892, 20611115, 23555560, 32977784, 41222230, 47111120, 65955568, 82444460, 164888920, 329777840]

約数ペア:

[(1, 329777840), (2, 164888920), (4, 82444460), (5, 65955568), (7, 47111120), (8, 41222230), (10, 32977784), (14, 23555560), (16, 20611115), (20, 16488892), (28, 11777780), (35, 9422224), (40, 8244446), (49, 6730160), (56, 5888890), (70, 4711112), (80, 4122223), (98, 3365080), (112, 2944445), (140, 2355556), (196, 1682540), (245, 1346032), (280, 1177778), (392, 841270), (490, 673016), (560, 588889), (784, 420635), (980, 336508), (1960, 168254), (3920, 84127)]