263048480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1126

約数の個数: 96

約数和(自身を含む): 665458416

約数和(自身を除く): 402409936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 97, 136, 160, 170, 194, 272, 340, 388, 485, 544, 680, 776, 970, 997, 1360, 1552, 1649, 1940, 1994, 2720, 3104, 3298, 3880, 3988, 4985, 6596, 7760, 7976, 8245, 9970, 13192, 15520, 15952, 16490, 16949, 19940, 26384, 31904, 32980, 33898, 39880, 52768, 65960, 67796, 79760, 84745, 96709, 131920, 135592, 159520, 169490, 193418, 263840, 271184, 338980, 386836, 483545, 542368, 677960, 773672, 967090, 1355920, 1547344, 1644053, 1934180, 2711840, 3094688, 3288106, 3868360, 6576212, 7736720, 8220265, 13152424, 15473440, 16440530, 26304848, 32881060, 52609696, 65762120, 131524240, 263048480]

約数ペア:

[(1, 263048480), (2, 131524240), (4, 65762120), (5, 52609696), (8, 32881060), (10, 26304848), (16, 16440530), (17, 15473440), (20, 13152424), (32, 8220265), (34, 7736720), (40, 6576212), (68, 3868360), (80, 3288106), (85, 3094688), (97, 2711840), (136, 1934180), (160, 1644053), (170, 1547344), (194, 1355920), (272, 967090), (340, 773672), (388, 677960), (485, 542368), (544, 483545), (680, 386836), (776, 338980), (970, 271184), (997, 263840), (1360, 193418), (1552, 169490), (1649, 159520), (1940, 135592), (1994, 131920), (2720, 96709), (3104, 84745), (3298, 79760), (3880, 67796), (3988, 65960), (4985, 52768), (6596, 39880), (7760, 33898), (7976, 32980), (8245, 31904), (9970, 26384), (13192, 19940), (15520, 16949), (15952, 16490)]