71271220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 154804608

約数和(自身を除く): 83533388

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 142, 212, 265, 284, 355, 530, 710, 947, 1060, 1420, 1894, 3763, 3788, 4735, 7526, 9470, 15052, 18815, 18940, 37630, 50191, 67237, 75260, 100382, 134474, 200764, 250955, 268948, 336185, 501910, 672370, 1003820, 1344740, 3563561, 7127122, 14254244, 17817805, 35635610, 71271220]

約数ペア:

[(1, 71271220), (2, 35635610), (4, 17817805), (5, 14254244), (10, 7127122), (20, 3563561), (53, 1344740), (71, 1003820), (106, 672370), (142, 501910), (212, 336185), (265, 268948), (284, 250955), (355, 200764), (530, 134474), (710, 100382), (947, 75260), (1060, 67237), (1420, 50191), (1894, 37630), (3763, 18940), (3788, 18815), (4735, 15052), (7526, 9470)]