264522020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{23917}}^1$

素因数の和:24012

約数の個数: 48

約数和(自身を含む): 642915840

約数和(自身を除く): 378393820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 23917, 47834, 95668, 119585, 167419, 239170, 334838, 478340, 669676, 837095, 1674190, 1889443, 3348380, 3778886, 7557772, 9447215, 13226101, 18894430, 26452202, 37788860, 52904404, 66130505, 132261010, 264522020]

約数ペア:

[(1, 264522020), (2, 132261010), (4, 66130505), (5, 52904404), (7, 37788860), (10, 26452202), (14, 18894430), (20, 13226101), (28, 9447215), (35, 7557772), (70, 3778886), (79, 3348380), (140, 1889443), (158, 1674190), (316, 837095), (395, 669676), (553, 478340), (790, 334838), (1106, 239170), (1580, 167419), (2212, 119585), (2765, 95668), (5530, 47834), (11060, 23917)]