72891400

素因数分解:

$2^3\times 5^2\times {\mathrm{281}}^1\times {\mathrm{1297}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 170206740

約数和(自身を除く): 97315340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 281, 562, 1124, 1297, 1405, 2248, 2594, 2810, 5188, 5620, 6485, 7025, 10376, 11240, 12970, 14050, 25940, 28100, 32425, 51880, 56200, 64850, 129700, 259400, 364457, 728914, 1457828, 1822285, 2915656, 3644570, 7289140, 9111425, 14578280, 18222850, 36445700, 72891400]

約数ペア:

[(1, 72891400), (2, 36445700), (4, 18222850), (5, 14578280), (8, 9111425), (10, 7289140), (20, 3644570), (25, 2915656), (40, 1822285), (50, 1457828), (100, 728914), (200, 364457), (281, 259400), (562, 129700), (1124, 64850), (1297, 56200), (1405, 51880), (2248, 32425), (2594, 28100), (2810, 25940), (5188, 14050), (5620, 12970), (6485, 11240), (7025, 10376)]