71398040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254993}}^1$

素因数の和:255011

約数の個数: 32

約数和(自身を含む): 183595680

約数和(自身を除く): 112197640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254993, 509986, 1019972, 1274965, 1784951, 2039944, 2549930, 3569902, 5099860, 7139804, 8924755, 10199720, 14279608, 17849510, 35699020, 71398040]

約数ペア:

[(1, 71398040), (2, 35699020), (4, 17849510), (5, 14279608), (7, 10199720), (8, 8924755), (10, 7139804), (14, 5099860), (20, 3569902), (28, 2549930), (35, 2039944), (40, 1784951), (56, 1274965), (70, 1019972), (140, 509986), (280, 254993)]