139142605

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 207826560

約数和(自身を除く): 68683955

約数列:

[1, 5, 7, 19, 35, 49, 71, 95, 133, 245, 355, 421, 497, 665, 931, 1349, 2105, 2485, 2947, 3479, 4655, 6745, 7999, 9443, 14735, 17395, 20629, 29891, 39995, 47215, 55993, 66101, 103145, 149455, 209237, 279965, 330505, 391951, 567929, 1046185, 1464659, 1959755, 2839645, 3975503, 7323295, 19877515, 27828521, 139142605]

約数ペア:

[(1, 139142605), (5, 27828521), (7, 19877515), (19, 7323295), (35, 3975503), (49, 2839645), (71, 1959755), (95, 1464659), (133, 1046185), (245, 567929), (355, 391951), (421, 330505), (497, 279965), (665, 209237), (931, 149455), (1349, 103145), (2105, 66101), (2485, 55993), (2947, 47215), (3479, 39995), (4655, 29891), (6745, 20629), (7999, 17395), (9443, 14735)]