209428416

素因数分解:

$2^6\times 3^4\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:664

約数の個数: 140

約数和(自身を含む): 630661680

約数和(自身を除く): 421233264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 71, 72, 81, 96, 108, 142, 144, 162, 192, 213, 216, 284, 288, 324, 426, 432, 568, 569, 576, 639, 648, 852, 864, 1136, 1138, 1278, 1296, 1704, 1707, 1728, 1917, 2272, 2276, 2556, 2592, 3408, 3414, 3834, 4544, 4552, 5112, 5121, 5184, 5751, 6816, 6828, 7668, 9104, 10224, 10242, 11502, 13632, 13656, 15336, 15363, 18208, 20448, 20484, 23004, 27312, 30672, 30726, 36416, 40399, 40896, 40968, 46008, 46089, 54624, 61344, 61452, 80798, 81936, 92016, 92178, 109248, 121197, 122688, 122904, 161596, 163872, 184032, 184356, 242394, 245808, 323192, 327744, 363591, 368064, 368712, 484788, 491616, 646384, 727182, 737424, 969576, 983232, 1090773, 1292768, 1454364, 1474848, 1939152, 2181546, 2585536, 2908728, 2949696, 3272319, 3878304, 4363092, 5817456, 6544638, 7756608, 8726184, 11634912, 13089276, 17452368, 23269824, 26178552, 34904736, 52357104, 69809472, 104714208, 209428416]

約数ペア:

[(1, 209428416), (2, 104714208), (3, 69809472), (4, 52357104), (6, 34904736), (8, 26178552), (9, 23269824), (12, 17452368), (16, 13089276), (18, 11634912), (24, 8726184), (27, 7756608), (32, 6544638), (36, 5817456), (48, 4363092), (54, 3878304), (64, 3272319), (71, 2949696), (72, 2908728), (81, 2585536), (96, 2181546), (108, 1939152), (142, 1474848), (144, 1454364), (162, 1292768), (192, 1090773), (213, 983232), (216, 969576), (284, 737424), (288, 727182), (324, 646384), (426, 491616), (432, 484788), (568, 368712), (569, 368064), (576, 363591), (639, 327744), (648, 323192), (852, 245808), (864, 242394), (1136, 184356), (1138, 184032), (1278, 163872), (1296, 161596), (1704, 122904), (1707, 122688), (1728, 121197), (1917, 109248), (2272, 92178), (2276, 92016), (2556, 81936), (2592, 80798), (3408, 61452), (3414, 61344), (3834, 54624), (4544, 46089), (4552, 46008), (5112, 40968), (5121, 40896), (5184, 40399), (5751, 36416), (6816, 30726), (6828, 30672), (7668, 27312), (9104, 23004), (10224, 20484), (10242, 20448), (11502, 18208), (13632, 15363), (13656, 15336)]