31308340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1481}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 75688704

約数和(自身を除く): 44380364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1481, 1510, 2114, 2962, 3020, 4228, 5285, 5924, 7405, 10367, 10570, 14810, 20734, 21140, 29620, 41468, 51835, 103670, 207340, 223631, 447262, 894524, 1118155, 1565417, 2236310, 3130834, 4472620, 6261668, 7827085, 15654170, 31308340]

約数ペア:

[(1, 31308340), (2, 15654170), (4, 7827085), (5, 6261668), (7, 4472620), (10, 3130834), (14, 2236310), (20, 1565417), (28, 1118155), (35, 894524), (70, 447262), (140, 223631), (151, 207340), (302, 103670), (604, 51835), (755, 41468), (1057, 29620), (1481, 21140), (1510, 20734), (2114, 14810), (2962, 10570), (3020, 10367), (4228, 7405), (5285, 5924)]