71340280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{577}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 176035680

約数和(自身を除く): 104695400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 281, 440, 562, 577, 1124, 1154, 1405, 2248, 2308, 2810, 2885, 3091, 4616, 5620, 5770, 6182, 6347, 11240, 11540, 12364, 12694, 15455, 23080, 24728, 25388, 30910, 31735, 50776, 61820, 63470, 123640, 126940, 162137, 253880, 324274, 648548, 810685, 1297096, 1621370, 1783507, 3242740, 3567014, 6485480, 7134028, 8917535, 14268056, 17835070, 35670140, 71340280]

約数ペア:

[(1, 71340280), (2, 35670140), (4, 17835070), (5, 14268056), (8, 8917535), (10, 7134028), (11, 6485480), (20, 3567014), (22, 3242740), (40, 1783507), (44, 1621370), (55, 1297096), (88, 810685), (110, 648548), (220, 324274), (281, 253880), (440, 162137), (562, 126940), (577, 123640), (1124, 63470), (1154, 61820), (1405, 50776), (2248, 31735), (2308, 30910), (2810, 25388), (2885, 24728), (3091, 23080), (4616, 15455), (5620, 12694), (5770, 12364), (6182, 11540), (6347, 11240)]