204639680

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:483

約数の個数: 168

約数和(自身を含む): 586532736

約数和(自身を除く): 381893056

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, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 421, 434, 448, 490, 496, 560, 620, 784, 842, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1684, 1736, 1960, 1984, 2105, 2170, 2240, 2480, 2947, 3038, 3136, 3368, 3472, 3920, 4210, 4340, 4960, 5894, 6076, 6736, 6944, 7595, 7840, 8420, 8680, 9920, 11788, 12152, 13051, 13472, 13888, 14735, 15190, 15680, 16840, 17360, 20629, 23576, 24304, 26102, 26944, 29470, 30380, 33680, 34720, 41258, 47152, 48608, 52204, 58940, 60760, 65255, 67360, 69440, 82516, 91357, 94304, 97216, 103145, 104408, 117880, 121520, 130510, 134720, 165032, 182714, 188608, 206290, 208816, 235760, 243040, 261020, 330064, 365428, 412580, 417632, 456785, 471520, 486080, 522040, 639499, 660128, 730856, 825160, 835264, 913570, 943040, 1044080, 1278998, 1320256, 1461712, 1650320, 1827140, 2088160, 2557996, 2923424, 3197495, 3300640, 3654280, 4176320, 5115992, 5846848, 6394990, 6601280, 7308560, 10231984, 12789980, 14617120, 20463968, 25579960, 29234240, 40927936, 51159920, 102319840, 204639680]

約数ペア:

[(1, 204639680), (2, 102319840), (4, 51159920), (5, 40927936), (7, 29234240), (8, 25579960), (10, 20463968), (14, 14617120), (16, 12789980), (20, 10231984), (28, 7308560), (31, 6601280), (32, 6394990), (35, 5846848), (40, 5115992), (49, 4176320), (56, 3654280), (62, 3300640), (64, 3197495), (70, 2923424), (80, 2557996), (98, 2088160), (112, 1827140), (124, 1650320), (140, 1461712), (155, 1320256), (160, 1278998), (196, 1044080), (217, 943040), (224, 913570), (245, 835264), (248, 825160), (280, 730856), (310, 660128), (320, 639499), (392, 522040), (421, 486080), (434, 471520), (448, 456785), (490, 417632), (496, 412580), (560, 365428), (620, 330064), (784, 261020), (842, 243040), (868, 235760), (980, 208816), (992, 206290), (1085, 188608), (1120, 182714), (1240, 165032), (1519, 134720), (1568, 130510), (1684, 121520), (1736, 117880), (1960, 104408), (1984, 103145), (2105, 97216), (2170, 94304), (2240, 91357), (2480, 82516), (2947, 69440), (3038, 67360), (3136, 65255), (3368, 60760), (3472, 58940), (3920, 52204), (4210, 48608), (4340, 47152), (4960, 41258), (5894, 34720), (6076, 33680), (6736, 30380), (6944, 29470), (7595, 26944), (7840, 26102), (8420, 24304), (8680, 23576), (9920, 20629), (11788, 17360), (12152, 16840), (13051, 15680), (13472, 15190), (13888, 14735)]