84177940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1237

約数の個数: 96

約数和(自身を含む): 225275904

約数和(自身を除く): 141097964

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 47, 55, 70, 77, 94, 110, 140, 154, 188, 220, 235, 308, 329, 385, 470, 517, 658, 770, 940, 1034, 1163, 1316, 1540, 1645, 2068, 2326, 2585, 3290, 3619, 4652, 5170, 5815, 6580, 7238, 8141, 10340, 11630, 12793, 14476, 16282, 18095, 23260, 25586, 32564, 36190, 40705, 51172, 54661, 63965, 72380, 81410, 89551, 109322, 127930, 162820, 179102, 218644, 255860, 273305, 358204, 382627, 447755, 546610, 601271, 765254, 895510, 1093220, 1202542, 1530508, 1791020, 1913135, 2405084, 3006355, 3826270, 4208897, 6012710, 7652540, 8417794, 12025420, 16835588, 21044485, 42088970, 84177940]

約数ペア:

[(1, 84177940), (2, 42088970), (4, 21044485), (5, 16835588), (7, 12025420), (10, 8417794), (11, 7652540), (14, 6012710), (20, 4208897), (22, 3826270), (28, 3006355), (35, 2405084), (44, 1913135), (47, 1791020), (55, 1530508), (70, 1202542), (77, 1093220), (94, 895510), (110, 765254), (140, 601271), (154, 546610), (188, 447755), (220, 382627), (235, 358204), (308, 273305), (329, 255860), (385, 218644), (470, 179102), (517, 162820), (658, 127930), (770, 109322), (940, 89551), (1034, 81410), (1163, 72380), (1316, 63965), (1540, 54661), (1645, 51172), (2068, 40705), (2326, 36190), (2585, 32564), (3290, 25586), (3619, 23260), (4652, 18095), (5170, 16282), (5815, 14476), (6580, 12793), (7238, 11630), (8141, 10340)]