209816880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{739}}^1$

素因数の和:788

約数の個数: 240

約数和(自身を含む): 806019840

約数和(自身を除く): 596202960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 169, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 338, 364, 390, 420, 455, 507, 520, 546, 560, 624, 676, 728, 739, 780, 840, 845, 910, 1014, 1040, 1092, 1183, 1352, 1365, 1456, 1478, 1560, 1680, 1690, 1820, 2028, 2184, 2217, 2366, 2535, 2704, 2730, 2956, 3120, 3380, 3549, 3640, 3695, 4056, 4368, 4434, 4732, 5070, 5173, 5460, 5912, 5915, 6760, 7098, 7280, 7390, 8112, 8868, 9464, 9607, 10140, 10346, 10920, 11085, 11824, 11830, 13520, 14196, 14780, 15519, 17736, 17745, 18928, 19214, 20280, 20692, 21840, 22170, 23660, 25865, 28392, 28821, 29560, 31038, 35472, 35490, 38428, 40560, 41384, 44340, 47320, 48035, 51730, 56784, 57642, 59120, 62076, 67249, 70980, 76856, 77595, 82768, 88680, 94640, 96070, 103460, 115284, 124152, 124891, 134498, 141960, 144105, 153712, 155190, 177360, 192140, 201747, 206920, 230568, 248304, 249782, 268996, 283920, 288210, 310380, 336245, 374673, 384280, 403494, 413840, 461136, 499564, 537992, 576420, 620760, 624455, 672490, 749346, 768560, 806988, 874237, 999128, 1008735, 1075984, 1152840, 1241520, 1248910, 1344980, 1498692, 1613976, 1748474, 1873365, 1998256, 2017470, 2305680, 2497820, 2622711, 2689960, 2997384, 3227952, 3496948, 3746730, 4034940, 4371185, 4995640, 5245422, 5379920, 5994768, 6993896, 7493460, 8069880, 8742370, 9991280, 10490844, 13113555, 13987792, 14986920, 16139760, 17484740, 20981688, 26227110, 29973840, 34969480, 41963376, 52454220, 69938960, 104908440, 209816880]

約数ペア:

[(1, 209816880), (2, 104908440), (3, 69938960), (4, 52454220), (5, 41963376), (6, 34969480), (7, 29973840), (8, 26227110), (10, 20981688), (12, 17484740), (13, 16139760), (14, 14986920), (15, 13987792), (16, 13113555), (20, 10490844), (21, 9991280), (24, 8742370), (26, 8069880), (28, 7493460), (30, 6993896), (35, 5994768), (39, 5379920), (40, 5245422), (42, 4995640), (48, 4371185), (52, 4034940), (56, 3746730), (60, 3496948), (65, 3227952), (70, 2997384), (78, 2689960), (80, 2622711), (84, 2497820), (91, 2305680), (104, 2017470), (105, 1998256), (112, 1873365), (120, 1748474), (130, 1613976), (140, 1498692), (156, 1344980), (168, 1248910), (169, 1241520), (182, 1152840), (195, 1075984), (208, 1008735), (210, 999128), (240, 874237), (260, 806988), (273, 768560), (280, 749346), (312, 672490), (336, 624455), (338, 620760), (364, 576420), (390, 537992), (420, 499564), (455, 461136), (507, 413840), (520, 403494), (546, 384280), (560, 374673), (624, 336245), (676, 310380), (728, 288210), (739, 283920), (780, 268996), (840, 249782), (845, 248304), (910, 230568), (1014, 206920), (1040, 201747), (1092, 192140), (1183, 177360), (1352, 155190), (1365, 153712), (1456, 144105), (1478, 141960), (1560, 134498), (1680, 124891), (1690, 124152), (1820, 115284), (2028, 103460), (2184, 96070), (2217, 94640), (2366, 88680), (2535, 82768), (2704, 77595), (2730, 76856), (2956, 70980), (3120, 67249), (3380, 62076), (3549, 59120), (3640, 57642), (3695, 56784), (4056, 51730), (4368, 48035), (4434, 47320), (4732, 44340), (5070, 41384), (5173, 40560), (5460, 38428), (5912, 35490), (5915, 35472), (6760, 31038), (7098, 29560), (7280, 28821), (7390, 28392), (8112, 25865), (8868, 23660), (9464, 22170), (9607, 21840), (10140, 20692), (10346, 20280), (10920, 19214), (11085, 18928), (11824, 17745), (11830, 17736), (13520, 15519), (14196, 14780)]