209904240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1416

約数の個数: 240

約数和(自身を含む): 815760288

約数和(自身を除く): 605856048

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, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 910, 980, 1040, 1092, 1176, 1274, 1365, 1373, 1456, 1470, 1560, 1680, 1820, 1911, 1960, 2184, 2352, 2548, 2730, 2746, 2940, 3120, 3185, 3640, 3822, 3920, 4119, 4368, 5096, 5460, 5492, 5880, 6370, 6865, 7280, 7644, 8238, 9555, 9611, 10192, 10920, 10984, 11760, 12740, 13730, 15288, 16476, 17849, 19110, 19222, 20595, 21840, 21968, 25480, 27460, 28833, 30576, 32952, 35698, 38220, 38444, 41190, 48055, 50960, 53547, 54920, 57666, 65904, 67277, 71396, 76440, 76888, 82380, 89245, 96110, 107094, 109840, 115332, 124943, 134554, 142792, 144165, 152880, 153776, 164760, 178490, 192220, 201831, 214188, 230664, 249886, 267735, 269108, 285584, 288330, 329520, 336385, 356980, 374829, 384440, 403662, 428376, 461328, 499772, 535470, 538216, 576660, 624715, 672770, 713960, 749658, 768880, 807324, 856752, 874601, 999544, 1009155, 1070940, 1076432, 1153320, 1249430, 1345540, 1427920, 1499316, 1614648, 1749202, 1874145, 1999088, 2018310, 2141880, 2306640, 2498860, 2623803, 2691080, 2998632, 3229296, 3498404, 3748290, 4036620, 4283760, 4373005, 4997720, 5247606, 5382160, 5997264, 6996808, 7496580, 8073240, 8746010, 9995440, 10495212, 13119015, 13993616, 14993160, 16146480, 17492020, 20990424, 26238030, 29986320, 34984040, 41980848, 52476060, 69968080, 104952120, 209904240]

約数ペア:

[(1, 209904240), (2, 104952120), (3, 69968080), (4, 52476060), (5, 41980848), (6, 34984040), (7, 29986320), (8, 26238030), (10, 20990424), (12, 17492020), (13, 16146480), (14, 14993160), (15, 13993616), (16, 13119015), (20, 10495212), (21, 9995440), (24, 8746010), (26, 8073240), (28, 7496580), (30, 6996808), (35, 5997264), (39, 5382160), (40, 5247606), (42, 4997720), (48, 4373005), (49, 4283760), (52, 4036620), (56, 3748290), (60, 3498404), (65, 3229296), (70, 2998632), (78, 2691080), (80, 2623803), (84, 2498860), (91, 2306640), (98, 2141880), (104, 2018310), (105, 1999088), (112, 1874145), (120, 1749202), (130, 1614648), (140, 1499316), (147, 1427920), (156, 1345540), (168, 1249430), (182, 1153320), (195, 1076432), (196, 1070940), (208, 1009155), (210, 999544), (240, 874601), (245, 856752), (260, 807324), (273, 768880), (280, 749658), (294, 713960), (312, 672770), (336, 624715), (364, 576660), (390, 538216), (392, 535470), (420, 499772), (455, 461328), (490, 428376), (520, 403662), (546, 384440), (560, 374829), (588, 356980), (624, 336385), (637, 329520), (728, 288330), (735, 285584), (780, 269108), (784, 267735), (840, 249886), (910, 230664), (980, 214188), (1040, 201831), (1092, 192220), (1176, 178490), (1274, 164760), (1365, 153776), (1373, 152880), (1456, 144165), (1470, 142792), (1560, 134554), (1680, 124943), (1820, 115332), (1911, 109840), (1960, 107094), (2184, 96110), (2352, 89245), (2548, 82380), (2730, 76888), (2746, 76440), (2940, 71396), (3120, 67277), (3185, 65904), (3640, 57666), (3822, 54920), (3920, 53547), (4119, 50960), (4368, 48055), (5096, 41190), (5460, 38444), (5492, 38220), (5880, 35698), (6370, 32952), (6865, 30576), (7280, 28833), (7644, 27460), (8238, 25480), (9555, 21968), (9611, 21840), (10192, 20595), (10920, 19222), (10984, 19110), (11760, 17849), (12740, 16476), (13730, 15288)]