238948000

素因数分解:

$2^5\times 5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 634023936

約数和(自身を除く): 395075936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 41, 47, 50, 62, 80, 82, 94, 100, 124, 125, 155, 160, 164, 188, 200, 205, 235, 248, 250, 310, 328, 376, 400, 410, 470, 496, 500, 620, 656, 752, 775, 800, 820, 940, 992, 1000, 1025, 1175, 1240, 1271, 1312, 1457, 1504, 1550, 1640, 1880, 1927, 2000, 2050, 2350, 2480, 2542, 2914, 3100, 3280, 3760, 3854, 3875, 4000, 4100, 4700, 4960, 5084, 5125, 5828, 5875, 6200, 6355, 6560, 7285, 7520, 7708, 7750, 8200, 9400, 9635, 10168, 10250, 11656, 11750, 12400, 12710, 14570, 15416, 15500, 16400, 18800, 19270, 20336, 20500, 23312, 23500, 24800, 25420, 29140, 30832, 31000, 31775, 32800, 36425, 37600, 38540, 40672, 41000, 46624, 47000, 48175, 50840, 58280, 59737, 61664, 62000, 63550, 72850, 77080, 82000, 94000, 96350, 101680, 116560, 119474, 124000, 127100, 145700, 154160, 158875, 164000, 182125, 188000, 192700, 203360, 233120, 238948, 240875, 254200, 291400, 298685, 308320, 317750, 364250, 385400, 477896, 481750, 508400, 582800, 597370, 635500, 728500, 770800, 955792, 963500, 1016800, 1165600, 1194740, 1271000, 1457000, 1493425, 1541600, 1911584, 1927000, 2389480, 2542000, 2914000, 2986850, 3854000, 4778960, 5084000, 5828000, 5973700, 7467125, 7708000, 9557920, 11947400, 14934250, 23894800, 29868500, 47789600, 59737000, 119474000, 238948000]

約数ペア:

[(1, 238948000), (2, 119474000), (4, 59737000), (5, 47789600), (8, 29868500), (10, 23894800), (16, 14934250), (20, 11947400), (25, 9557920), (31, 7708000), (32, 7467125), (40, 5973700), (41, 5828000), (47, 5084000), (50, 4778960), (62, 3854000), (80, 2986850), (82, 2914000), (94, 2542000), (100, 2389480), (124, 1927000), (125, 1911584), (155, 1541600), (160, 1493425), (164, 1457000), (188, 1271000), (200, 1194740), (205, 1165600), (235, 1016800), (248, 963500), (250, 955792), (310, 770800), (328, 728500), (376, 635500), (400, 597370), (410, 582800), (470, 508400), (496, 481750), (500, 477896), (620, 385400), (656, 364250), (752, 317750), (775, 308320), (800, 298685), (820, 291400), (940, 254200), (992, 240875), (1000, 238948), (1025, 233120), (1175, 203360), (1240, 192700), (1271, 188000), (1312, 182125), (1457, 164000), (1504, 158875), (1550, 154160), (1640, 145700), (1880, 127100), (1927, 124000), (2000, 119474), (2050, 116560), (2350, 101680), (2480, 96350), (2542, 94000), (2914, 82000), (3100, 77080), (3280, 72850), (3760, 63550), (3854, 62000), (3875, 61664), (4000, 59737), (4100, 58280), (4700, 50840), (4960, 48175), (5084, 47000), (5125, 46624), (5828, 41000), (5875, 40672), (6200, 38540), (6355, 37600), (6560, 36425), (7285, 32800), (7520, 31775), (7708, 31000), (7750, 30832), (8200, 29140), (9400, 25420), (9635, 24800), (10168, 23500), (10250, 23312), (11656, 20500), (11750, 20336), (12400, 19270), (12710, 18800), (14570, 16400), (15416, 15500)]