254463990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:782

約数の個数: 128

約数和(自身を含む): 717009408

約数和(自身を除く): 462545418

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 67, 85, 102, 110, 134, 165, 170, 187, 201, 255, 330, 335, 374, 402, 510, 561, 670, 677, 737, 935, 1005, 1122, 1139, 1354, 1474, 1870, 2010, 2031, 2211, 2278, 2805, 3385, 3417, 3685, 4062, 4422, 5610, 5695, 6770, 6834, 7370, 7447, 10155, 11055, 11390, 11509, 12529, 14894, 17085, 20310, 22110, 22341, 23018, 25058, 34170, 34527, 37235, 37587, 44682, 45359, 57545, 62645, 69054, 74470, 75174, 90718, 111705, 115090, 125290, 126599, 136077, 172635, 187935, 223410, 226795, 253198, 272154, 345270, 375870, 379797, 453590, 498949, 632995, 680385, 759594, 771103, 997898, 1265990, 1360770, 1496847, 1542206, 1898985, 2313309, 2494745, 2993694, 3797970, 3855515, 4626618, 4989490, 7484235, 7711030, 8482133, 11566545, 14968470, 16964266, 23133090, 25446399, 42410665, 50892798, 84821330, 127231995, 254463990]

約数ペア:

[(1, 254463990), (2, 127231995), (3, 84821330), (5, 50892798), (6, 42410665), (10, 25446399), (11, 23133090), (15, 16964266), (17, 14968470), (22, 11566545), (30, 8482133), (33, 7711030), (34, 7484235), (51, 4989490), (55, 4626618), (66, 3855515), (67, 3797970), (85, 2993694), (102, 2494745), (110, 2313309), (134, 1898985), (165, 1542206), (170, 1496847), (187, 1360770), (201, 1265990), (255, 997898), (330, 771103), (335, 759594), (374, 680385), (402, 632995), (510, 498949), (561, 453590), (670, 379797), (677, 375870), (737, 345270), (935, 272154), (1005, 253198), (1122, 226795), (1139, 223410), (1354, 187935), (1474, 172635), (1870, 136077), (2010, 126599), (2031, 125290), (2211, 115090), (2278, 111705), (2805, 90718), (3385, 75174), (3417, 74470), (3685, 69054), (4062, 62645), (4422, 57545), (5610, 45359), (5695, 44682), (6770, 37587), (6834, 37235), (7370, 34527), (7447, 34170), (10155, 25058), (11055, 23018), (11390, 22341), (11509, 22110), (12529, 20310), (14894, 17085)]