201712280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{829}}^1$

素因数の和:937

約数の個数: 128

約数和(自身を含む): 573696000

約数和(自身を除く): 371983720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 110, 140, 154, 158, 220, 280, 308, 316, 385, 395, 440, 553, 616, 632, 770, 790, 829, 869, 1106, 1540, 1580, 1658, 1738, 2212, 2765, 3080, 3160, 3316, 3476, 4145, 4345, 4424, 5530, 5803, 6083, 6632, 6952, 8290, 8690, 9119, 11060, 11606, 12166, 16580, 17380, 18238, 22120, 23212, 24332, 29015, 30415, 33160, 34760, 36476, 45595, 46424, 48664, 58030, 60830, 63833, 65491, 72952, 91190, 116060, 121660, 127666, 130982, 182380, 232120, 243320, 255332, 261964, 319165, 327455, 364760, 458437, 510664, 523928, 638330, 654910, 720401, 916874, 1276660, 1309820, 1440802, 1833748, 2292185, 2553320, 2619640, 2881604, 3602005, 3667496, 4584370, 5042807, 5763208, 7204010, 9168740, 10085614, 14408020, 18337480, 20171228, 25214035, 28816040, 40342456, 50428070, 100856140, 201712280]

約数ペア:

[(1, 201712280), (2, 100856140), (4, 50428070), (5, 40342456), (7, 28816040), (8, 25214035), (10, 20171228), (11, 18337480), (14, 14408020), (20, 10085614), (22, 9168740), (28, 7204010), (35, 5763208), (40, 5042807), (44, 4584370), (55, 3667496), (56, 3602005), (70, 2881604), (77, 2619640), (79, 2553320), (88, 2292185), (110, 1833748), (140, 1440802), (154, 1309820), (158, 1276660), (220, 916874), (280, 720401), (308, 654910), (316, 638330), (385, 523928), (395, 510664), (440, 458437), (553, 364760), (616, 327455), (632, 319165), (770, 261964), (790, 255332), (829, 243320), (869, 232120), (1106, 182380), (1540, 130982), (1580, 127666), (1658, 121660), (1738, 116060), (2212, 91190), (2765, 72952), (3080, 65491), (3160, 63833), (3316, 60830), (3476, 58030), (4145, 48664), (4345, 46424), (4424, 45595), (5530, 36476), (5803, 34760), (6083, 33160), (6632, 30415), (6952, 29015), (8290, 24332), (8690, 23212), (9119, 22120), (11060, 18238), (11606, 17380), (12166, 16580)]