268449940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{2137}}^1$

素因数の和:2728

約数の個数: 48

約数和(自身を含む): 616359744

約数和(自身を除く): 347909804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 571, 1142, 2137, 2284, 2855, 4274, 5710, 6281, 8548, 10685, 11420, 12562, 21370, 23507, 25124, 31405, 42740, 47014, 62810, 94028, 117535, 125620, 235070, 470140, 1220227, 2440454, 4880908, 6101135, 12202270, 13422497, 24404540, 26844994, 53689988, 67112485, 134224970, 268449940]

約数ペア:

[(1, 268449940), (2, 134224970), (4, 67112485), (5, 53689988), (10, 26844994), (11, 24404540), (20, 13422497), (22, 12202270), (44, 6101135), (55, 4880908), (110, 2440454), (220, 1220227), (571, 470140), (1142, 235070), (2137, 125620), (2284, 117535), (2855, 94028), (4274, 62810), (5710, 47014), (6281, 42740), (8548, 31405), (10685, 25124), (11420, 23507), (12562, 21370)]