280069804

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:587

約数の個数: 96

約数和(自身を含む): 629637120

約数和(自身を除く): 349567316

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 47, 76, 92, 94, 133, 161, 188, 266, 322, 329, 437, 487, 532, 644, 658, 874, 893, 974, 1081, 1316, 1748, 1786, 1948, 2162, 3059, 3409, 3572, 4324, 6118, 6251, 6818, 7567, 9253, 11201, 12236, 12502, 13636, 15134, 18506, 20539, 22402, 22889, 25004, 30268, 37012, 41078, 44804, 45778, 64771, 78407, 82156, 91556, 129542, 143773, 156814, 160223, 212819, 259084, 287546, 313628, 320446, 425638, 434891, 526447, 575092, 640892, 851276, 869782, 1052894, 1489733, 1739564, 2105788, 2979466, 3044237, 3685129, 5958932, 6088474, 7370258, 10002493, 12176948, 14740516, 20004986, 40009972, 70017451, 140034902, 280069804]

約数ペア:

[(1, 280069804), (2, 140034902), (4, 70017451), (7, 40009972), (14, 20004986), (19, 14740516), (23, 12176948), (28, 10002493), (38, 7370258), (46, 6088474), (47, 5958932), (76, 3685129), (92, 3044237), (94, 2979466), (133, 2105788), (161, 1739564), (188, 1489733), (266, 1052894), (322, 869782), (329, 851276), (437, 640892), (487, 575092), (532, 526447), (644, 434891), (658, 425638), (874, 320446), (893, 313628), (974, 287546), (1081, 259084), (1316, 212819), (1748, 160223), (1786, 156814), (1948, 143773), (2162, 129542), (3059, 91556), (3409, 82156), (3572, 78407), (4324, 64771), (6118, 45778), (6251, 44804), (6818, 41078), (7567, 37012), (9253, 30268), (11201, 25004), (12236, 22889), (12502, 22402), (13636, 20539), (15134, 18506)]