210988996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 401224320

約数和(自身を除く): 190235324

約数列:

[1, 2, 4, 19, 38, 61, 71, 76, 122, 142, 244, 284, 641, 1159, 1282, 1349, 2318, 2564, 2698, 4331, 4636, 5396, 8662, 12179, 17324, 24358, 39101, 45511, 48716, 78202, 82289, 91022, 156404, 164578, 182044, 329156, 742919, 864709, 1485838, 1729418, 2776171, 2971676, 3458836, 5552342, 11104684, 52747249, 105494498, 210988996]

約数ペア:

[(1, 210988996), (2, 105494498), (4, 52747249), (19, 11104684), (38, 5552342), (61, 3458836), (71, 2971676), (76, 2776171), (122, 1729418), (142, 1485838), (244, 864709), (284, 742919), (641, 329156), (1159, 182044), (1282, 164578), (1349, 156404), (2318, 91022), (2564, 82289), (2698, 78202), (4331, 48716), (4636, 45511), (5396, 39101), (8662, 24358), (12179, 17324)]