17811220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 27911660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 41, 58, 70, 82, 107, 116, 140, 145, 164, 203, 205, 214, 287, 290, 406, 410, 428, 535, 574, 580, 749, 812, 820, 1015, 1070, 1148, 1189, 1435, 1498, 2030, 2140, 2378, 2870, 2996, 3103, 3745, 4060, 4387, 4756, 5740, 5945, 6206, 7490, 8323, 8774, 11890, 12412, 14980, 15515, 16646, 17548, 21721, 21935, 23780, 30709, 31030, 33292, 41615, 43442, 43870, 61418, 62060, 83230, 86884, 87740, 108605, 122836, 127223, 153545, 166460, 217210, 254446, 307090, 434420, 508892, 614180, 636115, 890561, 1272230, 1781122, 2544460, 3562244, 4452805, 8905610, 17811220]

約数ペア:

[(1, 17811220), (2, 8905610), (4, 4452805), (5, 3562244), (7, 2544460), (10, 1781122), (14, 1272230), (20, 890561), (28, 636115), (29, 614180), (35, 508892), (41, 434420), (58, 307090), (70, 254446), (82, 217210), (107, 166460), (116, 153545), (140, 127223), (145, 122836), (164, 108605), (203, 87740), (205, 86884), (214, 83230), (287, 62060), (290, 61418), (406, 43870), (410, 43442), (428, 41615), (535, 33292), (574, 31030), (580, 30709), (749, 23780), (812, 21935), (820, 21721), (1015, 17548), (1070, 16646), (1148, 15515), (1189, 14980), (1435, 12412), (1498, 11890), (2030, 8774), (2140, 8323), (2378, 7490), (2870, 6206), (2996, 5945), (3103, 5740), (3745, 4756), (4060, 4387)]