139549520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:828

約数の個数: 80

約数和(自身を含む): 355745088

約数和(自身を除く): 216195568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 347, 440, 457, 694, 880, 914, 1388, 1735, 1828, 2285, 2776, 3470, 3656, 3817, 4570, 5027, 5552, 6940, 7312, 7634, 9140, 10054, 13880, 15268, 18280, 19085, 20108, 25135, 27760, 30536, 36560, 38170, 40216, 50270, 61072, 76340, 80432, 100540, 152680, 158579, 201080, 305360, 317158, 402160, 634316, 792895, 1268632, 1585790, 1744369, 2537264, 3171580, 3488738, 6343160, 6977476, 8721845, 12686320, 13954952, 17443690, 27909904, 34887380, 69774760, 139549520]

約数ペア:

[(1, 139549520), (2, 69774760), (4, 34887380), (5, 27909904), (8, 17443690), (10, 13954952), (11, 12686320), (16, 8721845), (20, 6977476), (22, 6343160), (40, 3488738), (44, 3171580), (55, 2537264), (80, 1744369), (88, 1585790), (110, 1268632), (176, 792895), (220, 634316), (347, 402160), (440, 317158), (457, 305360), (694, 201080), (880, 158579), (914, 152680), (1388, 100540), (1735, 80432), (1828, 76340), (2285, 61072), (2776, 50270), (3470, 40216), (3656, 38170), (3817, 36560), (4570, 30536), (5027, 27760), (5552, 25135), (6940, 20108), (7312, 19085), (7634, 18280), (9140, 15268), (10054, 13880)]