71677340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7211}}^1$

素因数の和:7298

約数の個数: 48

約数和(自身を含む): 174472704

約数和(自身を除く): 102795364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 7211, 9940, 14422, 28844, 36055, 50477, 72110, 100954, 144220, 201908, 252385, 504770, 511981, 1009540, 1023962, 2047924, 2559905, 3583867, 5119810, 7167734, 10239620, 14335468, 17919335, 35838670, 71677340]

約数ペア:

[(1, 71677340), (2, 35838670), (4, 17919335), (5, 14335468), (7, 10239620), (10, 7167734), (14, 5119810), (20, 3583867), (28, 2559905), (35, 2047924), (70, 1023962), (71, 1009540), (140, 511981), (142, 504770), (284, 252385), (355, 201908), (497, 144220), (710, 100954), (994, 72110), (1420, 50477), (1988, 36055), (2485, 28844), (4970, 14422), (7211, 9940)]