171940040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1697}}^1$

素因数の和:1874

約数の個数: 64

約数和(自身を含む): 412614000

約数和(自身を除く): 240673960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 596, 680, 745, 1192, 1490, 1697, 2533, 2980, 3394, 5066, 5960, 6788, 8485, 10132, 12665, 13576, 16970, 20264, 25330, 28849, 33940, 50660, 57698, 67880, 101320, 115396, 144245, 230792, 252853, 288490, 505706, 576980, 1011412, 1153960, 1264265, 2022824, 2528530, 4298501, 5057060, 8597002, 10114120, 17194004, 21492505, 34388008, 42985010, 85970020, 171940040]

約数ペア:

[(1, 171940040), (2, 85970020), (4, 42985010), (5, 34388008), (8, 21492505), (10, 17194004), (17, 10114120), (20, 8597002), (34, 5057060), (40, 4298501), (68, 2528530), (85, 2022824), (136, 1264265), (149, 1153960), (170, 1011412), (298, 576980), (340, 505706), (596, 288490), (680, 252853), (745, 230792), (1192, 144245), (1490, 115396), (1697, 101320), (2533, 67880), (2980, 57698), (3394, 50660), (5066, 33940), (5960, 28849), (6788, 25330), (8485, 20264), (10132, 16970), (12665, 13576)]