8404270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 10258130

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 71, 89, 95, 133, 142, 178, 190, 266, 355, 445, 497, 623, 665, 710, 890, 994, 1246, 1330, 1349, 1691, 2485, 2698, 3115, 3382, 4970, 6230, 6319, 6745, 8455, 9443, 11837, 12638, 13490, 16910, 18886, 23674, 31595, 44233, 47215, 59185, 63190, 88466, 94430, 118370, 120061, 221165, 240122, 442330, 600305, 840427, 1200610, 1680854, 4202135, 8404270]

約数ペア:

[(1, 8404270), (2, 4202135), (5, 1680854), (7, 1200610), (10, 840427), (14, 600305), (19, 442330), (35, 240122), (38, 221165), (70, 120061), (71, 118370), (89, 94430), (95, 88466), (133, 63190), (142, 59185), (178, 47215), (190, 44233), (266, 31595), (355, 23674), (445, 18886), (497, 16910), (623, 13490), (665, 12638), (710, 11837), (890, 9443), (994, 8455), (1246, 6745), (1330, 6319), (1349, 6230), (1691, 4970), (2485, 3382), (2698, 3115)]