2019149720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7211249}}^1$

素因数の和:7211267

約数の個数: 32

約数和(自身を含む): 5192100000

約数和(自身を除く): 3172950280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7211249, 14422498, 28844996, 36056245, 50478743, 57689992, 72112490, 100957486, 144224980, 201914972, 252393715, 288449960, 403829944, 504787430, 1009574860, 2019149720]

約数ペア:

[(1, 2019149720), (2, 1009574860), (4, 504787430), (5, 403829944), (7, 288449960), (8, 252393715), (10, 201914972), (14, 144224980), (20, 100957486), (28, 72112490), (35, 57689992), (40, 50478743), (56, 36056245), (70, 28844996), (140, 14422498), (280, 7211249)]