208120640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1065

約数の個数: 168

約数和(自身を含む): 621453672

約数和(自身を除く): 413333032

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 728, 784, 832, 910, 980, 1021, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2042, 2080, 2240, 2548, 2912, 3136, 3185, 3640, 3920, 4084, 4160, 5096, 5105, 5824, 6370, 7147, 7280, 7840, 8168, 10192, 10210, 12740, 13273, 14294, 14560, 15680, 16336, 20384, 20420, 25480, 26546, 28588, 29120, 32672, 35735, 40768, 40840, 50029, 50960, 53092, 57176, 65344, 66365, 71470, 81680, 92911, 100058, 101920, 106184, 114352, 132730, 142940, 163360, 185822, 200116, 203840, 212368, 228704, 250145, 265460, 285880, 326720, 371644, 400232, 424736, 457408, 464555, 500290, 530920, 571760, 650377, 743288, 800464, 849472, 929110, 1000580, 1061840, 1143520, 1300754, 1486576, 1600928, 1858220, 2001160, 2123680, 2287040, 2601508, 2973152, 3201856, 3251885, 3716440, 4002320, 4247360, 5203016, 5946304, 6503770, 7432880, 8004640, 10406032, 13007540, 14865760, 16009280, 20812064, 26015080, 29731520, 41624128, 52030160, 104060320, 208120640]

約数ペア:

[(1, 208120640), (2, 104060320), (4, 52030160), (5, 41624128), (7, 29731520), (8, 26015080), (10, 20812064), (13, 16009280), (14, 14865760), (16, 13007540), (20, 10406032), (26, 8004640), (28, 7432880), (32, 6503770), (35, 5946304), (40, 5203016), (49, 4247360), (52, 4002320), (56, 3716440), (64, 3251885), (65, 3201856), (70, 2973152), (80, 2601508), (91, 2287040), (98, 2123680), (104, 2001160), (112, 1858220), (130, 1600928), (140, 1486576), (160, 1300754), (182, 1143520), (196, 1061840), (208, 1000580), (224, 929110), (245, 849472), (260, 800464), (280, 743288), (320, 650377), (364, 571760), (392, 530920), (416, 500290), (448, 464555), (455, 457408), (490, 424736), (520, 400232), (560, 371644), (637, 326720), (728, 285880), (784, 265460), (832, 250145), (910, 228704), (980, 212368), (1021, 203840), (1040, 200116), (1120, 185822), (1274, 163360), (1456, 142940), (1568, 132730), (1820, 114352), (1960, 106184), (2042, 101920), (2080, 100058), (2240, 92911), (2548, 81680), (2912, 71470), (3136, 66365), (3185, 65344), (3640, 57176), (3920, 53092), (4084, 50960), (4160, 50029), (5096, 40840), (5105, 40768), (5824, 35735), (6370, 32672), (7147, 29120), (7280, 28588), (7840, 26546), (8168, 25480), (10192, 20420), (10210, 20384), (12740, 16336), (13273, 15680), (14294, 14560)]