274165780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{279761}}^1$

素因数の和:279784

約数の個数: 36

約数和(自身を含む): 669750228

約数和(自身を除く): 395584448

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 279761, 559522, 1119044, 1398805, 1958327, 2797610, 3916654, 5595220, 7833308, 9791635, 13708289, 19583270, 27416578, 39166540, 54833156, 68541445, 137082890, 274165780]

約数ペア:

[(1, 274165780), (2, 137082890), (4, 68541445), (5, 54833156), (7, 39166540), (10, 27416578), (14, 19583270), (20, 13708289), (28, 9791635), (35, 7833308), (49, 5595220), (70, 3916654), (98, 2797610), (140, 1958327), (196, 1398805), (245, 1119044), (490, 559522), (980, 279761)]