17209940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 39783744

約数和(自身を除く): 22573804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 571, 685, 1142, 1370, 1507, 2284, 2740, 2855, 3014, 5710, 6028, 6281, 7535, 11420, 12562, 15070, 25124, 30140, 31405, 62810, 78227, 125620, 156454, 312908, 391135, 782270, 860497, 1564540, 1720994, 3441988, 4302485, 8604970, 17209940]

約数ペア:

[(1, 17209940), (2, 8604970), (4, 4302485), (5, 3441988), (10, 1720994), (11, 1564540), (20, 860497), (22, 782270), (44, 391135), (55, 312908), (110, 156454), (137, 125620), (220, 78227), (274, 62810), (548, 31405), (571, 30140), (685, 25124), (1142, 15070), (1370, 12562), (1507, 11420), (2284, 7535), (2740, 6281), (2855, 6028), (3014, 5710)]