77899780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 201180672

約数和(自身を除く): 123280892

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 71, 85, 119, 140, 142, 170, 238, 284, 340, 355, 461, 476, 497, 595, 710, 922, 994, 1190, 1207, 1420, 1844, 1988, 2305, 2380, 2414, 2485, 3227, 4610, 4828, 4970, 6035, 6454, 7837, 8449, 9220, 9940, 12070, 12908, 15674, 16135, 16898, 24140, 31348, 32270, 32731, 33796, 39185, 42245, 54859, 64540, 65462, 78370, 84490, 109718, 130924, 156740, 163655, 168980, 219436, 229117, 274295, 327310, 458234, 548590, 556427, 654620, 916468, 1097180, 1112854, 1145585, 2225708, 2291170, 2782135, 3894989, 4582340, 5564270, 7789978, 11128540, 15579956, 19474945, 38949890, 77899780]

約数ペア:

[(1, 77899780), (2, 38949890), (4, 19474945), (5, 15579956), (7, 11128540), (10, 7789978), (14, 5564270), (17, 4582340), (20, 3894989), (28, 2782135), (34, 2291170), (35, 2225708), (68, 1145585), (70, 1112854), (71, 1097180), (85, 916468), (119, 654620), (140, 556427), (142, 548590), (170, 458234), (238, 327310), (284, 274295), (340, 229117), (355, 219436), (461, 168980), (476, 163655), (497, 156740), (595, 130924), (710, 109718), (922, 84490), (994, 78370), (1190, 65462), (1207, 64540), (1420, 54859), (1844, 42245), (1988, 39185), (2305, 33796), (2380, 32731), (2414, 32270), (2485, 31348), (3227, 24140), (4610, 16898), (4828, 16135), (4970, 15674), (6035, 12908), (6454, 12070), (7837, 9940), (8449, 9220)]