90790400

素因数分解:

$2^9\times 5^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 120

約数和(自身を含む): 231758604

約数和(自身を除く): 140968204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 173, 200, 205, 256, 320, 328, 346, 400, 410, 512, 640, 656, 692, 800, 820, 865, 1025, 1280, 1312, 1384, 1600, 1640, 1730, 2050, 2560, 2624, 2768, 3200, 3280, 3460, 4100, 4325, 5248, 5536, 6400, 6560, 6920, 7093, 8200, 8650, 10496, 11072, 12800, 13120, 13840, 14186, 16400, 17300, 20992, 22144, 26240, 27680, 28372, 32800, 34600, 35465, 44288, 52480, 55360, 56744, 65600, 69200, 70930, 88576, 104960, 110720, 113488, 131200, 138400, 141860, 177325, 221440, 226976, 262400, 276800, 283720, 354650, 442880, 453952, 524800, 553600, 567440, 709300, 907904, 1107200, 1134880, 1418600, 1815808, 2214400, 2269760, 2837200, 3631616, 4539520, 5674400, 9079040, 11348800, 18158080, 22697600, 45395200, 90790400]

約数ペア:

[(1, 90790400), (2, 45395200), (4, 22697600), (5, 18158080), (8, 11348800), (10, 9079040), (16, 5674400), (20, 4539520), (25, 3631616), (32, 2837200), (40, 2269760), (41, 2214400), (50, 1815808), (64, 1418600), (80, 1134880), (82, 1107200), (100, 907904), (128, 709300), (160, 567440), (164, 553600), (173, 524800), (200, 453952), (205, 442880), (256, 354650), (320, 283720), (328, 276800), (346, 262400), (400, 226976), (410, 221440), (512, 177325), (640, 141860), (656, 138400), (692, 131200), (800, 113488), (820, 110720), (865, 104960), (1025, 88576), (1280, 70930), (1312, 69200), (1384, 65600), (1600, 56744), (1640, 55360), (1730, 52480), (2050, 44288), (2560, 35465), (2624, 34600), (2768, 32800), (3200, 28372), (3280, 27680), (3460, 26240), (4100, 22144), (4325, 20992), (5248, 17300), (5536, 16400), (6400, 14186), (6560, 13840), (6920, 13120), (7093, 12800), (8200, 11072), (8650, 10496)]