208980468

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2803}}^1$

素因数の和:2941

約数の個数: 72

約数和(自身を含む): 561360800

約数和(自身を除く): 352380332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 327, 342, 436, 654, 684, 981, 1308, 1962, 2071, 2803, 3924, 4142, 5606, 6213, 8284, 8409, 11212, 12426, 16818, 18639, 24852, 25227, 33636, 37278, 50454, 53257, 74556, 100908, 106514, 159771, 213028, 305527, 319542, 479313, 611054, 639084, 916581, 958626, 1222108, 1833162, 1917252, 2749743, 3666324, 5499486, 5805013, 10998972, 11610026, 17415039, 23220052, 34830078, 52245117, 69660156, 104490234, 208980468]

約数ペア:

[(1, 208980468), (2, 104490234), (3, 69660156), (4, 52245117), (6, 34830078), (9, 23220052), (12, 17415039), (18, 11610026), (19, 10998972), (36, 5805013), (38, 5499486), (57, 3666324), (76, 2749743), (109, 1917252), (114, 1833162), (171, 1222108), (218, 958626), (228, 916581), (327, 639084), (342, 611054), (436, 479313), (654, 319542), (684, 305527), (981, 213028), (1308, 159771), (1962, 106514), (2071, 100908), (2803, 74556), (3924, 53257), (4142, 50454), (5606, 37278), (6213, 33636), (8284, 25227), (8409, 24852), (11212, 18639), (12426, 16818)]