217614880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:747

約数の個数: 144

約数和(自身を含む): 613543896

約数和(自身を除く): 395929016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 328, 392, 410, 490, 560, 574, 656, 677, 784, 820, 980, 1120, 1148, 1312, 1354, 1435, 1568, 1640, 1960, 2009, 2296, 2708, 2870, 3280, 3385, 3920, 4018, 4592, 4739, 5416, 5740, 6560, 6770, 7840, 8036, 9184, 9478, 10045, 10832, 11480, 13540, 16072, 18956, 20090, 21664, 22960, 23695, 27080, 27757, 32144, 33173, 37912, 40180, 45920, 47390, 54160, 55514, 64288, 66346, 75824, 80360, 94780, 108320, 111028, 132692, 138785, 151648, 160720, 165865, 189560, 194299, 222056, 265384, 277570, 321440, 331730, 379120, 388598, 444112, 530768, 555140, 663460, 758240, 777196, 888224, 971495, 1061536, 1110280, 1326920, 1360093, 1554392, 1942990, 2220560, 2653840, 2720186, 3108784, 3885980, 4441120, 5307680, 5440372, 6217568, 6800465, 7771960, 10880744, 13600930, 15543920, 21761488, 27201860, 31087840, 43522976, 54403720, 108807440, 217614880]

約数ペア:

[(1, 217614880), (2, 108807440), (4, 54403720), (5, 43522976), (7, 31087840), (8, 27201860), (10, 21761488), (14, 15543920), (16, 13600930), (20, 10880744), (28, 7771960), (32, 6800465), (35, 6217568), (40, 5440372), (41, 5307680), (49, 4441120), (56, 3885980), (70, 3108784), (80, 2720186), (82, 2653840), (98, 2220560), (112, 1942990), (140, 1554392), (160, 1360093), (164, 1326920), (196, 1110280), (205, 1061536), (224, 971495), (245, 888224), (280, 777196), (287, 758240), (328, 663460), (392, 555140), (410, 530768), (490, 444112), (560, 388598), (574, 379120), (656, 331730), (677, 321440), (784, 277570), (820, 265384), (980, 222056), (1120, 194299), (1148, 189560), (1312, 165865), (1354, 160720), (1435, 151648), (1568, 138785), (1640, 132692), (1960, 111028), (2009, 108320), (2296, 94780), (2708, 80360), (2870, 75824), (3280, 66346), (3385, 64288), (3920, 55514), (4018, 54160), (4592, 47390), (4739, 45920), (5416, 40180), (5740, 37912), (6560, 33173), (6770, 32144), (7840, 27757), (8036, 27080), (9184, 23695), (9478, 22960), (10045, 21664), (10832, 20090), (11480, 18956), (13540, 16072)]