208927600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 619960320

約数和(自身を除く): 411032720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 31, 35, 40, 50, 56, 58, 62, 70, 80, 83, 100, 112, 116, 124, 140, 145, 155, 166, 175, 200, 203, 217, 232, 248, 280, 290, 310, 332, 350, 400, 406, 415, 434, 464, 496, 560, 580, 581, 620, 664, 700, 725, 775, 812, 830, 868, 899, 1015, 1085, 1160, 1162, 1240, 1328, 1400, 1450, 1550, 1624, 1660, 1736, 1798, 2030, 2075, 2170, 2320, 2324, 2407, 2480, 2573, 2800, 2900, 2905, 3100, 3248, 3320, 3472, 3596, 4060, 4150, 4340, 4495, 4648, 4814, 5075, 5146, 5425, 5800, 5810, 6200, 6293, 6640, 7192, 8120, 8300, 8680, 8990, 9296, 9628, 10150, 10292, 10850, 11600, 11620, 12035, 12400, 12586, 12865, 14384, 14525, 16240, 16600, 16849, 17360, 17980, 18011, 19256, 20300, 20584, 21700, 22475, 23240, 24070, 25172, 25730, 29050, 31465, 33200, 33698, 35960, 36022, 38512, 40600, 41168, 43400, 44950, 46480, 48140, 50344, 51460, 58100, 60175, 62930, 64325, 67396, 71920, 72044, 74617, 81200, 84245, 86800, 89900, 90055, 96280, 100688, 102920, 116200, 120350, 125860, 128650, 134792, 144088, 149234, 157325, 168490, 179800, 180110, 192560, 205840, 232400, 240700, 251720, 257300, 269584, 288176, 298468, 314650, 336980, 359600, 360220, 373085, 421225, 450275, 481400, 503440, 514600, 522319, 596936, 629300, 673960, 720440, 746170, 842450, 900550, 962800, 1029200, 1044638, 1193872, 1258600, 1347920, 1440880, 1492340, 1684900, 1801100, 1865425, 2089276, 2517200, 2611595, 2984680, 3369800, 3602200, 3730850, 4178552, 5223190, 5969360, 6739600, 7204400, 7461700, 8357104, 10446380, 13057975, 14923400, 20892760, 26115950, 29846800, 41785520, 52231900, 104463800, 208927600]

約数ペア:

[(1, 208927600), (2, 104463800), (4, 52231900), (5, 41785520), (7, 29846800), (8, 26115950), (10, 20892760), (14, 14923400), (16, 13057975), (20, 10446380), (25, 8357104), (28, 7461700), (29, 7204400), (31, 6739600), (35, 5969360), (40, 5223190), (50, 4178552), (56, 3730850), (58, 3602200), (62, 3369800), (70, 2984680), (80, 2611595), (83, 2517200), (100, 2089276), (112, 1865425), (116, 1801100), (124, 1684900), (140, 1492340), (145, 1440880), (155, 1347920), (166, 1258600), (175, 1193872), (200, 1044638), (203, 1029200), (217, 962800), (232, 900550), (248, 842450), (280, 746170), (290, 720440), (310, 673960), (332, 629300), (350, 596936), (400, 522319), (406, 514600), (415, 503440), (434, 481400), (464, 450275), (496, 421225), (560, 373085), (580, 360220), (581, 359600), (620, 336980), (664, 314650), (700, 298468), (725, 288176), (775, 269584), (812, 257300), (830, 251720), (868, 240700), (899, 232400), (1015, 205840), (1085, 192560), (1160, 180110), (1162, 179800), (1240, 168490), (1328, 157325), (1400, 149234), (1450, 144088), (1550, 134792), (1624, 128650), (1660, 125860), (1736, 120350), (1798, 116200), (2030, 102920), (2075, 100688), (2170, 96280), (2320, 90055), (2324, 89900), (2407, 86800), (2480, 84245), (2573, 81200), (2800, 74617), (2900, 72044), (2905, 71920), (3100, 67396), (3248, 64325), (3320, 62930), (3472, 60175), (3596, 58100), (4060, 51460), (4150, 50344), (4340, 48140), (4495, 46480), (4648, 44950), (4814, 43400), (5075, 41168), (5146, 40600), (5425, 38512), (5800, 36022), (5810, 35960), (6200, 33698), (6293, 33200), (6640, 31465), (7192, 29050), (8120, 25730), (8300, 25172), (8680, 24070), (8990, 23240), (9296, 22475), (9628, 21700), (10150, 20584), (10292, 20300), (10850, 19256), (11600, 18011), (11620, 17980), (12035, 17360), (12400, 16849), (12586, 16600), (12865, 16240), (14384, 14525)]