306320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{547}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 815424

約数和(自身を除く): 509104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 547, 560, 1094, 2188, 2735, 3829, 4376, 5470, 7658, 8752, 10940, 15316, 19145, 21880, 30632, 38290, 43760, 61264, 76580, 153160, 306320]

約数ペア:

[(1, 306320), (2, 153160), (4, 76580), (5, 61264), (7, 43760), (8, 38290), (10, 30632), (14, 21880), (16, 19145), (20, 15316), (28, 10940), (35, 8752), (40, 7658), (56, 5470), (70, 4376), (80, 3829), (112, 2735), (140, 2188), (280, 1094), (547, 560)]