247931490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 654262272

約数和(自身を除く): 406330782

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 67, 69, 93, 115, 134, 138, 155, 173, 186, 201, 230, 310, 335, 345, 346, 402, 465, 519, 670, 690, 713, 865, 930, 1005, 1038, 1426, 1541, 1730, 2010, 2077, 2139, 2595, 3082, 3565, 3979, 4154, 4278, 4623, 5190, 5363, 6231, 7130, 7705, 7958, 9246, 10385, 10695, 10726, 11591, 11937, 12462, 15410, 16089, 19895, 20770, 21390, 23115, 23182, 23874, 26815, 31155, 32178, 34773, 39790, 46230, 47771, 53630, 57955, 59685, 62310, 69546, 80445, 95542, 115910, 119370, 123349, 143313, 160890, 173865, 238855, 246698, 266593, 286626, 347730, 359321, 370047, 477710, 533186, 616745, 716565, 718642, 740094, 799779, 1077963, 1233490, 1332965, 1433130, 1599558, 1796605, 1850235, 2155926, 2665930, 3593210, 3700470, 3998895, 5389815, 7997790, 8264383, 10779630, 16528766, 24793149, 41321915, 49586298, 82643830, 123965745, 247931490]

約数ペア:

[(1, 247931490), (2, 123965745), (3, 82643830), (5, 49586298), (6, 41321915), (10, 24793149), (15, 16528766), (23, 10779630), (30, 8264383), (31, 7997790), (46, 5389815), (62, 3998895), (67, 3700470), (69, 3593210), (93, 2665930), (115, 2155926), (134, 1850235), (138, 1796605), (155, 1599558), (173, 1433130), (186, 1332965), (201, 1233490), (230, 1077963), (310, 799779), (335, 740094), (345, 718642), (346, 716565), (402, 616745), (465, 533186), (519, 477710), (670, 370047), (690, 359321), (713, 347730), (865, 286626), (930, 266593), (1005, 246698), (1038, 238855), (1426, 173865), (1541, 160890), (1730, 143313), (2010, 123349), (2077, 119370), (2139, 115910), (2595, 95542), (3082, 80445), (3565, 69546), (3979, 62310), (4154, 59685), (4278, 57955), (4623, 53630), (5190, 47771), (5363, 46230), (6231, 39790), (7130, 34773), (7705, 32178), (7958, 31155), (9246, 26815), (10385, 23874), (10695, 23182), (10726, 23115), (11591, 21390), (11937, 20770), (12462, 19895), (15410, 16089)]