319764280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{66067}}^1$

素因数の和:66100

約数の個数: 48

約数和(自身を含む): 790833960

約数和(自身を除く): 471069680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 66067, 132134, 264268, 330335, 528536, 660670, 726737, 1321340, 1453474, 2642680, 2906948, 3633685, 5813896, 7267370, 7994107, 14534740, 15988214, 29069480, 31976428, 39970535, 63952856, 79941070, 159882140, 319764280]

約数ペア:

[(1, 319764280), (2, 159882140), (4, 79941070), (5, 63952856), (8, 39970535), (10, 31976428), (11, 29069480), (20, 15988214), (22, 14534740), (40, 7994107), (44, 7267370), (55, 5813896), (88, 3633685), (110, 2906948), (121, 2642680), (220, 1453474), (242, 1321340), (440, 726737), (484, 660670), (605, 528536), (968, 330335), (1210, 264268), (2420, 132134), (4840, 66067)]