199798960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1373}}^1$

素因数の和:1510

約数の個数: 80

約数和(自身を含む): 496816416

約数和(自身を除く): 297017456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 214, 272, 340, 428, 535, 680, 856, 1070, 1360, 1373, 1712, 1819, 2140, 2746, 3638, 4280, 5492, 6865, 7276, 8560, 9095, 10984, 13730, 14552, 18190, 21968, 23341, 27460, 29104, 36380, 46682, 54920, 72760, 93364, 109840, 116705, 145520, 146911, 186728, 233410, 293822, 373456, 466820, 587644, 734555, 933640, 1175288, 1469110, 1867280, 2350576, 2497487, 2938220, 4994974, 5876440, 9989948, 11752880, 12487435, 19979896, 24974870, 39959792, 49949740, 99899480, 199798960]

約数ペア:

[(1, 199798960), (2, 99899480), (4, 49949740), (5, 39959792), (8, 24974870), (10, 19979896), (16, 12487435), (17, 11752880), (20, 9989948), (34, 5876440), (40, 4994974), (68, 2938220), (80, 2497487), (85, 2350576), (107, 1867280), (136, 1469110), (170, 1175288), (214, 933640), (272, 734555), (340, 587644), (428, 466820), (535, 373456), (680, 293822), (856, 233410), (1070, 186728), (1360, 146911), (1373, 145520), (1712, 116705), (1819, 109840), (2140, 93364), (2746, 72760), (3638, 54920), (4280, 46682), (5492, 36380), (6865, 29104), (7276, 27460), (8560, 23341), (9095, 21968), (10984, 18190), (13730, 14552)]