249179490

素因数分解:

$2^1\times 3^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 224

約数和(自身を含む): 812142720

約数和(自身を除く): 562963230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 81, 90, 95, 105, 114, 126, 133, 135, 162, 171, 189, 190, 210, 243, 257, 266, 270, 285, 315, 342, 378, 399, 405, 486, 513, 514, 567, 570, 630, 665, 729, 771, 798, 810, 855, 945, 1026, 1134, 1197, 1215, 1285, 1330, 1458, 1539, 1542, 1701, 1710, 1799, 1890, 1995, 2313, 2394, 2430, 2565, 2570, 2835, 3078, 3402, 3591, 3598, 3645, 3855, 3990, 4617, 4626, 4883, 5103, 5130, 5397, 5670, 5985, 6939, 7182, 7290, 7695, 7710, 8505, 8995, 9234, 9766, 10206, 10773, 10794, 11565, 11970, 13851, 13878, 14649, 15390, 16191, 17010, 17955, 17990, 20817, 21546, 23085, 23130, 24415, 25515, 26985, 27702, 29298, 32319, 32382, 34181, 34695, 35910, 41634, 43947, 46170, 48573, 48830, 51030, 53865, 53970, 62451, 64638, 68362, 69255, 69390, 73245, 80955, 87894, 96957, 97146, 102543, 104085, 107730, 124902, 131841, 138510, 145719, 146490, 161595, 161910, 170905, 187353, 193914, 205086, 208170, 219735, 242865, 263682, 291438, 307629, 312255, 323190, 341810, 374706, 395523, 437157, 439470, 484785, 485730, 512715, 615258, 624510, 659205, 728595, 791046, 874314, 922887, 936765, 969570, 1025430, 1186569, 1311471, 1318410, 1457190, 1538145, 1845774, 1873530, 1977615, 2185785, 2373138, 2622942, 2768661, 3076290, 3559707, 3955230, 4371570, 4614435, 5537322, 5932845, 6557355, 7119414, 8305983, 9228870, 11865690, 13114710, 13843305, 16611966, 17798535, 24917949, 27686610, 35597070, 41529915, 49835898, 83059830, 124589745, 249179490]

約数ペア:

[(1, 249179490), (2, 124589745), (3, 83059830), (5, 49835898), (6, 41529915), (7, 35597070), (9, 27686610), (10, 24917949), (14, 17798535), (15, 16611966), (18, 13843305), (19, 13114710), (21, 11865690), (27, 9228870), (30, 8305983), (35, 7119414), (38, 6557355), (42, 5932845), (45, 5537322), (54, 4614435), (57, 4371570), (63, 3955230), (70, 3559707), (81, 3076290), (90, 2768661), (95, 2622942), (105, 2373138), (114, 2185785), (126, 1977615), (133, 1873530), (135, 1845774), (162, 1538145), (171, 1457190), (189, 1318410), (190, 1311471), (210, 1186569), (243, 1025430), (257, 969570), (266, 936765), (270, 922887), (285, 874314), (315, 791046), (342, 728595), (378, 659205), (399, 624510), (405, 615258), (486, 512715), (513, 485730), (514, 484785), (567, 439470), (570, 437157), (630, 395523), (665, 374706), (729, 341810), (771, 323190), (798, 312255), (810, 307629), (855, 291438), (945, 263682), (1026, 242865), (1134, 219735), (1197, 208170), (1215, 205086), (1285, 193914), (1330, 187353), (1458, 170905), (1539, 161910), (1542, 161595), (1701, 146490), (1710, 145719), (1799, 138510), (1890, 131841), (1995, 124902), (2313, 107730), (2394, 104085), (2430, 102543), (2565, 97146), (2570, 96957), (2835, 87894), (3078, 80955), (3402, 73245), (3591, 69390), (3598, 69255), (3645, 68362), (3855, 64638), (3990, 62451), (4617, 53970), (4626, 53865), (4883, 51030), (5103, 48830), (5130, 48573), (5397, 46170), (5670, 43947), (5985, 41634), (6939, 35910), (7182, 34695), (7290, 34181), (7695, 32382), (7710, 32319), (8505, 29298), (8995, 27702), (9234, 26985), (9766, 25515), (10206, 24415), (10773, 23130), (10794, 23085), (11565, 21546), (11970, 20817), (13851, 17990), (13878, 17955), (14649, 17010), (15390, 16191)]