212954840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{760553}}^1$

素因数の和:760571

約数の個数: 32

約数和(自身を含む): 547598880

約数和(自身を除く): 334644040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 760553, 1521106, 3042212, 3802765, 5323871, 6084424, 7605530, 10647742, 15211060, 21295484, 26619355, 30422120, 42590968, 53238710, 106477420, 212954840]

約数ペア:

[(1, 212954840), (2, 106477420), (4, 53238710), (5, 42590968), (7, 30422120), (8, 26619355), (10, 21295484), (14, 15211060), (20, 10647742), (28, 7605530), (35, 6084424), (40, 5323871), (56, 3802765), (70, 3042212), (140, 1521106), (280, 760553)]