256150400

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:437

約数の個数: 192

約数和(自身を含む): 728524800

約数和(自身を除く): 472374400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 64, 76, 80, 88, 95, 100, 110, 128, 152, 160, 176, 190, 200, 209, 220, 275, 304, 320, 352, 380, 383, 400, 418, 440, 475, 550, 608, 640, 704, 760, 766, 800, 836, 880, 950, 1045, 1100, 1216, 1408, 1520, 1532, 1600, 1672, 1760, 1900, 1915, 2090, 2200, 2432, 3040, 3064, 3200, 3344, 3520, 3800, 3830, 4180, 4213, 4400, 5225, 6080, 6128, 6688, 7040, 7277, 7600, 7660, 8360, 8426, 8800, 9575, 10450, 12160, 12256, 13376, 14554, 15200, 15320, 16720, 16852, 17600, 19150, 20900, 21065, 24512, 26752, 29108, 30400, 30640, 33440, 33704, 35200, 36385, 38300, 41800, 42130, 49024, 58216, 60800, 61280, 66880, 67408, 72770, 76600, 80047, 83600, 84260, 105325, 116432, 122560, 133760, 134816, 145540, 153200, 160094, 167200, 168520, 181925, 210650, 232864, 245120, 269632, 291080, 306400, 320188, 334400, 337040, 363850, 400235, 421300, 465728, 539264, 582160, 612800, 640376, 668800, 674080, 727700, 800470, 842600, 931456, 1164320, 1225600, 1280752, 1348160, 1455400, 1600940, 1685200, 2001175, 2328640, 2561504, 2696320, 2910800, 3201880, 3370400, 4002350, 4657280, 5123008, 5821600, 6403760, 6740800, 8004700, 10246016, 11643200, 12807520, 13481600, 16009400, 23286400, 25615040, 32018800, 51230080, 64037600, 128075200, 256150400]

約数ペア:

[(1, 256150400), (2, 128075200), (4, 64037600), (5, 51230080), (8, 32018800), (10, 25615040), (11, 23286400), (16, 16009400), (19, 13481600), (20, 12807520), (22, 11643200), (25, 10246016), (32, 8004700), (38, 6740800), (40, 6403760), (44, 5821600), (50, 5123008), (55, 4657280), (64, 4002350), (76, 3370400), (80, 3201880), (88, 2910800), (95, 2696320), (100, 2561504), (110, 2328640), (128, 2001175), (152, 1685200), (160, 1600940), (176, 1455400), (190, 1348160), (200, 1280752), (209, 1225600), (220, 1164320), (275, 931456), (304, 842600), (320, 800470), (352, 727700), (380, 674080), (383, 668800), (400, 640376), (418, 612800), (440, 582160), (475, 539264), (550, 465728), (608, 421300), (640, 400235), (704, 363850), (760, 337040), (766, 334400), (800, 320188), (836, 306400), (880, 291080), (950, 269632), (1045, 245120), (1100, 232864), (1216, 210650), (1408, 181925), (1520, 168520), (1532, 167200), (1600, 160094), (1672, 153200), (1760, 145540), (1900, 134816), (1915, 133760), (2090, 122560), (2200, 116432), (2432, 105325), (3040, 84260), (3064, 83600), (3200, 80047), (3344, 76600), (3520, 72770), (3800, 67408), (3830, 66880), (4180, 61280), (4213, 60800), (4400, 58216), (5225, 49024), (6080, 42130), (6128, 41800), (6688, 38300), (7040, 36385), (7277, 35200), (7600, 33704), (7660, 33440), (8360, 30640), (8426, 30400), (8800, 29108), (9575, 26752), (10450, 24512), (12160, 21065), (12256, 20900), (13376, 19150), (14554, 17600), (15200, 16852), (15320, 16720)]