208042240

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 216

約数和(自身を含む): 603977472

約数和(自身を除く): 395935232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 107, 112, 124, 128, 140, 155, 160, 196, 214, 217, 224, 245, 248, 256, 280, 310, 320, 392, 428, 434, 448, 490, 496, 535, 560, 620, 640, 749, 784, 856, 868, 896, 980, 992, 1070, 1085, 1120, 1240, 1280, 1498, 1519, 1568, 1712, 1736, 1792, 1960, 1984, 2140, 2170, 2240, 2480, 2996, 3038, 3136, 3317, 3424, 3472, 3745, 3920, 3968, 4280, 4340, 4480, 4960, 5243, 5992, 6076, 6272, 6634, 6848, 6944, 7490, 7595, 7840, 7936, 8560, 8680, 8960, 9920, 10486, 11984, 12152, 12544, 13268, 13696, 13888, 14980, 15190, 15680, 16585, 17120, 17360, 19840, 20972, 23219, 23968, 24304, 26215, 26536, 27392, 27776, 29960, 30380, 31360, 33170, 34240, 34720, 39680, 41944, 46438, 47936, 48608, 52430, 53072, 55552, 59920, 60760, 62720, 66340, 68480, 69440, 83888, 92876, 95872, 97216, 104860, 106144, 116095, 119840, 121520, 132680, 136960, 138880, 162533, 167776, 185752, 191744, 194432, 209720, 212288, 232190, 239680, 243040, 265360, 277760, 325066, 335552, 371504, 388864, 419440, 424576, 464380, 479360, 486080, 530720, 650132, 671104, 743008, 812665, 838880, 849152, 928760, 958720, 972160, 1061440, 1300264, 1342208, 1486016, 1625330, 1677760, 1857520, 1944320, 2122880, 2600528, 2972032, 3250660, 3355520, 3715040, 4245760, 5201056, 5944064, 6501320, 6711040, 7430080, 10402112, 13002640, 14860160, 20804224, 26005280, 29720320, 41608448, 52010560, 104021120, 208042240]

約数ペア:

[(1, 208042240), (2, 104021120), (4, 52010560), (5, 41608448), (7, 29720320), (8, 26005280), (10, 20804224), (14, 14860160), (16, 13002640), (20, 10402112), (28, 7430080), (31, 6711040), (32, 6501320), (35, 5944064), (40, 5201056), (49, 4245760), (56, 3715040), (62, 3355520), (64, 3250660), (70, 2972032), (80, 2600528), (98, 2122880), (107, 1944320), (112, 1857520), (124, 1677760), (128, 1625330), (140, 1486016), (155, 1342208), (160, 1300264), (196, 1061440), (214, 972160), (217, 958720), (224, 928760), (245, 849152), (248, 838880), (256, 812665), (280, 743008), (310, 671104), (320, 650132), (392, 530720), (428, 486080), (434, 479360), (448, 464380), (490, 424576), (496, 419440), (535, 388864), (560, 371504), (620, 335552), (640, 325066), (749, 277760), (784, 265360), (856, 243040), (868, 239680), (896, 232190), (980, 212288), (992, 209720), (1070, 194432), (1085, 191744), (1120, 185752), (1240, 167776), (1280, 162533), (1498, 138880), (1519, 136960), (1568, 132680), (1712, 121520), (1736, 119840), (1792, 116095), (1960, 106144), (1984, 104860), (2140, 97216), (2170, 95872), (2240, 92876), (2480, 83888), (2996, 69440), (3038, 68480), (3136, 66340), (3317, 62720), (3424, 60760), (3472, 59920), (3745, 55552), (3920, 53072), (3968, 52430), (4280, 48608), (4340, 47936), (4480, 46438), (4960, 41944), (5243, 39680), (5992, 34720), (6076, 34240), (6272, 33170), (6634, 31360), (6848, 30380), (6944, 29960), (7490, 27776), (7595, 27392), (7840, 26536), (7936, 26215), (8560, 24304), (8680, 23968), (8960, 23219), (9920, 20972), (10486, 19840), (11984, 17360), (12152, 17120), (12544, 16585), (13268, 15680), (13696, 15190), (13888, 14980)]