85970020

素因数分解:

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

素因数の和:1872

約数の個数: 48

約数和(自身を含む): 192553200

約数和(自身を除く): 106583180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 745, 1490, 1697, 2533, 2980, 3394, 5066, 6788, 8485, 10132, 12665, 16970, 25330, 28849, 33940, 50660, 57698, 115396, 144245, 252853, 288490, 505706, 576980, 1011412, 1264265, 2528530, 4298501, 5057060, 8597002, 17194004, 21492505, 42985010, 85970020]

約数ペア:

[(1, 85970020), (2, 42985010), (4, 21492505), (5, 17194004), (10, 8597002), (17, 5057060), (20, 4298501), (34, 2528530), (68, 1264265), (85, 1011412), (149, 576980), (170, 505706), (298, 288490), (340, 252853), (596, 144245), (745, 115396), (1490, 57698), (1697, 50660), (2533, 33940), (2980, 28849), (3394, 25330), (5066, 16970), (6788, 12665), (8485, 10132)]