16808540

素因数分解:

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

素因数の和:195

約数の個数: 96

約数和(自身を含む): 43545600

約数和(自身を除く): 26737060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 71, 76, 89, 95, 133, 140, 142, 178, 190, 266, 284, 355, 356, 380, 445, 497, 532, 623, 665, 710, 890, 994, 1246, 1330, 1349, 1420, 1691, 1780, 1988, 2485, 2492, 2660, 2698, 3115, 3382, 4970, 5396, 6230, 6319, 6745, 6764, 8455, 9443, 9940, 11837, 12460, 12638, 13490, 16910, 18886, 23674, 25276, 26980, 31595, 33820, 37772, 44233, 47215, 47348, 59185, 63190, 88466, 94430, 118370, 120061, 126380, 176932, 188860, 221165, 236740, 240122, 442330, 480244, 600305, 840427, 884660, 1200610, 1680854, 2401220, 3361708, 4202135, 8404270, 16808540]

約数ペア:

[(1, 16808540), (2, 8404270), (4, 4202135), (5, 3361708), (7, 2401220), (10, 1680854), (14, 1200610), (19, 884660), (20, 840427), (28, 600305), (35, 480244), (38, 442330), (70, 240122), (71, 236740), (76, 221165), (89, 188860), (95, 176932), (133, 126380), (140, 120061), (142, 118370), (178, 94430), (190, 88466), (266, 63190), (284, 59185), (355, 47348), (356, 47215), (380, 44233), (445, 37772), (497, 33820), (532, 31595), (623, 26980), (665, 25276), (710, 23674), (890, 18886), (994, 16910), (1246, 13490), (1330, 12638), (1349, 12460), (1420, 11837), (1691, 9940), (1780, 9443), (1988, 8455), (2485, 6764), (2492, 6745), (2660, 6319), (2698, 6230), (3115, 5396), (3382, 4970)]