7980607880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28502171}}^1$

素因数の和:28502189

約数の個数: 32

約数和(自身を含む): 20521563840

約数和(自身を除く): 12540955960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28502171, 57004342, 114008684, 142510855, 199515197, 228017368, 285021710, 399030394, 570043420, 798060788, 997575985, 1140086840, 1596121576, 1995151970, 3990303940, 7980607880]

約数ペア:

[(1, 7980607880), (2, 3990303940), (4, 1995151970), (5, 1596121576), (7, 1140086840), (8, 997575985), (10, 798060788), (14, 570043420), (20, 399030394), (28, 285021710), (35, 228017368), (40, 199515197), (56, 142510855), (70, 114008684), (140, 57004342), (280, 28502171)]