78809500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 226437120

約数和(自身を除く): 147627620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 25, 28, 35, 44, 46, 50, 55, 70, 77, 89, 92, 100, 110, 115, 125, 140, 154, 161, 175, 178, 220, 230, 250, 253, 275, 308, 322, 350, 356, 385, 445, 460, 500, 506, 550, 575, 623, 644, 700, 770, 805, 875, 890, 979, 1012, 1100, 1150, 1246, 1265, 1375, 1540, 1610, 1750, 1771, 1780, 1925, 1958, 2047, 2225, 2300, 2492, 2530, 2750, 2875, 3115, 3220, 3500, 3542, 3850, 3916, 4025, 4094, 4450, 4895, 5060, 5500, 5750, 6230, 6325, 6853, 7084, 7700, 8050, 8188, 8855, 8900, 9625, 9790, 10235, 11125, 11500, 12460, 12650, 13706, 14329, 15575, 16100, 17710, 19250, 19580, 20125, 20470, 22250, 22517, 24475, 25300, 27412, 28658, 31150, 31625, 34265, 35420, 38500, 40250, 40940, 44275, 44500, 45034, 48950, 51175, 57316, 62300, 63250, 68530, 71645, 77875, 80500, 88550, 90068, 97900, 102350, 112585, 122375, 126500, 137060, 143290, 155750, 157619, 171325, 177100, 204700, 221375, 225170, 244750, 255875, 286580, 311500, 315238, 342650, 358225, 442750, 450340, 489500, 511750, 562925, 630476, 685300, 716450, 788095, 856625, 885500, 1023500, 1125850, 1432900, 1576190, 1713250, 1791125, 2251700, 2814625, 3152380, 3426500, 3582250, 3940475, 5629250, 7164500, 7880950, 11258500, 15761900, 19702375, 39404750, 78809500]

約数ペア:

[(1, 78809500), (2, 39404750), (4, 19702375), (5, 15761900), (7, 11258500), (10, 7880950), (11, 7164500), (14, 5629250), (20, 3940475), (22, 3582250), (23, 3426500), (25, 3152380), (28, 2814625), (35, 2251700), (44, 1791125), (46, 1713250), (50, 1576190), (55, 1432900), (70, 1125850), (77, 1023500), (89, 885500), (92, 856625), (100, 788095), (110, 716450), (115, 685300), (125, 630476), (140, 562925), (154, 511750), (161, 489500), (175, 450340), (178, 442750), (220, 358225), (230, 342650), (250, 315238), (253, 311500), (275, 286580), (308, 255875), (322, 244750), (350, 225170), (356, 221375), (385, 204700), (445, 177100), (460, 171325), (500, 157619), (506, 155750), (550, 143290), (575, 137060), (623, 126500), (644, 122375), (700, 112585), (770, 102350), (805, 97900), (875, 90068), (890, 88550), (979, 80500), (1012, 77875), (1100, 71645), (1150, 68530), (1246, 63250), (1265, 62300), (1375, 57316), (1540, 51175), (1610, 48950), (1750, 45034), (1771, 44500), (1780, 44275), (1925, 40940), (1958, 40250), (2047, 38500), (2225, 35420), (2300, 34265), (2492, 31625), (2530, 31150), (2750, 28658), (2875, 27412), (3115, 25300), (3220, 24475), (3500, 22517), (3542, 22250), (3850, 20470), (3916, 20125), (4025, 19580), (4094, 19250), (4450, 17710), (4895, 16100), (5060, 15575), (5500, 14329), (5750, 13706), (6230, 12650), (6325, 12460), (6853, 11500), (7084, 11125), (7700, 10235), (8050, 9790), (8188, 9625), (8855, 8900)]