201991516760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11196869}}^1$

素因数の和:11196932

約数の個数: 64

約数和(自身を含む): 507890023200

約数和(自身を除く): 305898506440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 18040, 11196869, 22393738, 44787476, 55984345, 89574952, 111968690, 123165559, 223937380, 246331118, 447874760, 459071629, 492662236, 615827795, 918143258, 985324472, 1231655590, 1836286516, 2295358145, 2463311180, 3672573032, 4590716290, 4926622360, 5049787919, 9181432580, 10099575838, 18362865160, 20199151676, 25248939595, 40398303352, 50497879190, 100995758380, 201991516760]

約数ペア:

[(1, 201991516760), (2, 100995758380), (4, 50497879190), (5, 40398303352), (8, 25248939595), (10, 20199151676), (11, 18362865160), (20, 10099575838), (22, 9181432580), (40, 5049787919), (41, 4926622360), (44, 4590716290), (55, 3672573032), (82, 2463311180), (88, 2295358145), (110, 1836286516), (164, 1231655590), (205, 985324472), (220, 918143258), (328, 615827795), (410, 492662236), (440, 459071629), (451, 447874760), (820, 246331118), (902, 223937380), (1640, 123165559), (1804, 111968690), (2255, 89574952), (3608, 55984345), (4510, 44787476), (9020, 22393738), (18040, 11196869)]