205165800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:905

約数の個数: 288

約数和(自身を含む): 829857600

約数和(自身を除く): 624691800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 25, 28, 30, 35, 36, 38, 40, 42, 45, 50, 56, 57, 60, 63, 70, 72, 75, 76, 84, 90, 95, 100, 105, 114, 120, 126, 133, 140, 150, 152, 168, 171, 175, 180, 190, 200, 210, 225, 228, 252, 266, 280, 285, 300, 315, 342, 350, 360, 380, 399, 420, 450, 456, 475, 504, 525, 532, 570, 600, 630, 665, 684, 700, 760, 798, 840, 855, 857, 900, 950, 1050, 1064, 1140, 1197, 1260, 1330, 1368, 1400, 1425, 1575, 1596, 1710, 1714, 1800, 1900, 1995, 2100, 2280, 2394, 2520, 2571, 2660, 2850, 3150, 3192, 3325, 3420, 3428, 3800, 3990, 4200, 4275, 4285, 4788, 5142, 5320, 5700, 5985, 5999, 6300, 6650, 6840, 6856, 7713, 7980, 8550, 8570, 9576, 9975, 10284, 11400, 11970, 11998, 12600, 12855, 13300, 15426, 15960, 16283, 17100, 17140, 17997, 19950, 20568, 21425, 23940, 23996, 25710, 26600, 29925, 29995, 30852, 32566, 34200, 34280, 35994, 38565, 39900, 42850, 47880, 47992, 48849, 51420, 53991, 59850, 59990, 61704, 64275, 65132, 71988, 77130, 79800, 81415, 85700, 89985, 97698, 102840, 107982, 113981, 119700, 119980, 128550, 130264, 143976, 146547, 149975, 154260, 162830, 171400, 179970, 192825, 195396, 215964, 227962, 239400, 239960, 244245, 257100, 269955, 293094, 299950, 308520, 325660, 341943, 359940, 385650, 390792, 407075, 431928, 449925, 455924, 488490, 514200, 539910, 569905, 586188, 599900, 651320, 683886, 719880, 732735, 771300, 814150, 899850, 911848, 976980, 1025829, 1079820, 1139810, 1172376, 1199800, 1221225, 1349775, 1367772, 1465470, 1542600, 1628300, 1709715, 1799700, 1953960, 2051658, 2159640, 2279620, 2442450, 2699550, 2735544, 2849525, 2930940, 3256600, 3419430, 3599400, 3663675, 4103316, 4559240, 4884900, 5129145, 5399100, 5699050, 5861880, 6838860, 7327350, 8206632, 8548575, 9769800, 10258290, 10798200, 11398100, 13677720, 14654700, 17097150, 20516580, 22796200, 25645725, 29309400, 34194300, 41033160, 51291450, 68388600, 102582900, 205165800]

約数ペア:

[(1, 205165800), (2, 102582900), (3, 68388600), (4, 51291450), (5, 41033160), (6, 34194300), (7, 29309400), (8, 25645725), (9, 22796200), (10, 20516580), (12, 17097150), (14, 14654700), (15, 13677720), (18, 11398100), (19, 10798200), (20, 10258290), (21, 9769800), (24, 8548575), (25, 8206632), (28, 7327350), (30, 6838860), (35, 5861880), (36, 5699050), (38, 5399100), (40, 5129145), (42, 4884900), (45, 4559240), (50, 4103316), (56, 3663675), (57, 3599400), (60, 3419430), (63, 3256600), (70, 2930940), (72, 2849525), (75, 2735544), (76, 2699550), (84, 2442450), (90, 2279620), (95, 2159640), (100, 2051658), (105, 1953960), (114, 1799700), (120, 1709715), (126, 1628300), (133, 1542600), (140, 1465470), (150, 1367772), (152, 1349775), (168, 1221225), (171, 1199800), (175, 1172376), (180, 1139810), (190, 1079820), (200, 1025829), (210, 976980), (225, 911848), (228, 899850), (252, 814150), (266, 771300), (280, 732735), (285, 719880), (300, 683886), (315, 651320), (342, 599900), (350, 586188), (360, 569905), (380, 539910), (399, 514200), (420, 488490), (450, 455924), (456, 449925), (475, 431928), (504, 407075), (525, 390792), (532, 385650), (570, 359940), (600, 341943), (630, 325660), (665, 308520), (684, 299950), (700, 293094), (760, 269955), (798, 257100), (840, 244245), (855, 239960), (857, 239400), (900, 227962), (950, 215964), (1050, 195396), (1064, 192825), (1140, 179970), (1197, 171400), (1260, 162830), (1330, 154260), (1368, 149975), (1400, 146547), (1425, 143976), (1575, 130264), (1596, 128550), (1710, 119980), (1714, 119700), (1800, 113981), (1900, 107982), (1995, 102840), (2100, 97698), (2280, 89985), (2394, 85700), (2520, 81415), (2571, 79800), (2660, 77130), (2850, 71988), (3150, 65132), (3192, 64275), (3325, 61704), (3420, 59990), (3428, 59850), (3800, 53991), (3990, 51420), (4200, 48849), (4275, 47992), (4285, 47880), (4788, 42850), (5142, 39900), (5320, 38565), (5700, 35994), (5985, 34280), (5999, 34200), (6300, 32566), (6650, 30852), (6840, 29995), (6856, 29925), (7713, 26600), (7980, 25710), (8550, 23996), (8570, 23940), (9576, 21425), (9975, 20568), (10284, 19950), (11400, 17997), (11970, 17140), (11998, 17100), (12600, 16283), (12855, 15960), (13300, 15426)]