74902870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2153}}^1$

素因数の和:2245

約数の個数: 48

約数和(自身を含む): 159120288

約数和(自身を除く): 84217418

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 994, 2153, 2485, 3479, 4306, 4970, 6958, 10765, 15071, 17395, 21530, 30142, 34790, 75355, 105497, 150710, 152863, 210994, 305726, 527485, 764315, 1054970, 1070041, 1528630, 2140082, 5350205, 7490287, 10700410, 14980574, 37451435, 74902870]

約数ペア:

[(1, 74902870), (2, 37451435), (5, 14980574), (7, 10700410), (10, 7490287), (14, 5350205), (35, 2140082), (49, 1528630), (70, 1070041), (71, 1054970), (98, 764315), (142, 527485), (245, 305726), (355, 210994), (490, 152863), (497, 150710), (710, 105497), (994, 75355), (2153, 34790), (2485, 30142), (3479, 21530), (4306, 17395), (4970, 15071), (6958, 10765)]