248418500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 624589056

約数和(自身を除く): 376170556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 47, 50, 55, 62, 94, 100, 110, 124, 125, 155, 188, 220, 235, 250, 275, 310, 341, 470, 500, 517, 550, 620, 682, 775, 940, 961, 1034, 1100, 1175, 1364, 1375, 1457, 1550, 1705, 1922, 2068, 2350, 2585, 2750, 2914, 3100, 3410, 3844, 3875, 4700, 4805, 5170, 5500, 5828, 5875, 6820, 7285, 7750, 8525, 9610, 10340, 10571, 11750, 12925, 14570, 15500, 16027, 17050, 19220, 21142, 23500, 24025, 25850, 29140, 32054, 34100, 36425, 42284, 42625, 45167, 48050, 51700, 52855, 64108, 64625, 72850, 80135, 85250, 90334, 96100, 105710, 120125, 129250, 145700, 160270, 170500, 180668, 182125, 211420, 225835, 240250, 258500, 264275, 320540, 364250, 400675, 451670, 480500, 496837, 528550, 728500, 801350, 903340, 993674, 1057100, 1129175, 1321375, 1602700, 1987348, 2003375, 2258350, 2484185, 2642750, 4006750, 4516700, 4968370, 5285500, 5645875, 8013500, 9936740, 11291750, 12420925, 22583500, 24841850, 49683700, 62104625, 124209250, 248418500]

約数ペア:

[(1, 248418500), (2, 124209250), (4, 62104625), (5, 49683700), (10, 24841850), (11, 22583500), (20, 12420925), (22, 11291750), (25, 9936740), (31, 8013500), (44, 5645875), (47, 5285500), (50, 4968370), (55, 4516700), (62, 4006750), (94, 2642750), (100, 2484185), (110, 2258350), (124, 2003375), (125, 1987348), (155, 1602700), (188, 1321375), (220, 1129175), (235, 1057100), (250, 993674), (275, 903340), (310, 801350), (341, 728500), (470, 528550), (500, 496837), (517, 480500), (550, 451670), (620, 400675), (682, 364250), (775, 320540), (940, 264275), (961, 258500), (1034, 240250), (1100, 225835), (1175, 211420), (1364, 182125), (1375, 180668), (1457, 170500), (1550, 160270), (1705, 145700), (1922, 129250), (2068, 120125), (2350, 105710), (2585, 96100), (2750, 90334), (2914, 85250), (3100, 80135), (3410, 72850), (3844, 64625), (3875, 64108), (4700, 52855), (4805, 51700), (5170, 48050), (5500, 45167), (5828, 42625), (5875, 42284), (6820, 36425), (7285, 34100), (7750, 32054), (8525, 29140), (9610, 25850), (10340, 24025), (10571, 23500), (11750, 21142), (12925, 19220), (14570, 17050), (15500, 16027)]