278376420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{6833}}^1$

素因数の和:6949

約数の個数: 96

約数和(自身を含む): 900119808

約数和(自身を除く): 621743388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 970, 1164, 1358, 1455, 1940, 2037, 2716, 2910, 3395, 4074, 5820, 6790, 6833, 8148, 10185, 13580, 13666, 20370, 20499, 27332, 34165, 40740, 40998, 47831, 68330, 81996, 95662, 102495, 136660, 143493, 191324, 204990, 239155, 286986, 409980, 478310, 573972, 662801, 717465, 956620, 1325602, 1434930, 1988403, 2651204, 2869860, 3314005, 3976806, 4639607, 6628010, 7953612, 9279214, 9942015, 13256020, 13918821, 18558428, 19884030, 23198035, 27837642, 39768060, 46396070, 55675284, 69594105, 92792140, 139188210, 278376420]

約数ペア:

[(1, 278376420), (2, 139188210), (3, 92792140), (4, 69594105), (5, 55675284), (6, 46396070), (7, 39768060), (10, 27837642), (12, 23198035), (14, 19884030), (15, 18558428), (20, 13918821), (21, 13256020), (28, 9942015), (30, 9279214), (35, 7953612), (42, 6628010), (60, 4639607), (70, 3976806), (84, 3314005), (97, 2869860), (105, 2651204), (140, 1988403), (194, 1434930), (210, 1325602), (291, 956620), (388, 717465), (420, 662801), (485, 573972), (582, 478310), (679, 409980), (970, 286986), (1164, 239155), (1358, 204990), (1455, 191324), (1940, 143493), (2037, 136660), (2716, 102495), (2910, 95662), (3395, 81996), (4074, 68330), (5820, 47831), (6790, 40998), (6833, 40740), (8148, 34165), (10185, 27332), (13580, 20499), (13666, 20370)]