311712920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{106751}}^1$

素因数の和:106835

約数の個数: 32

約数和(自身を含む): 710968320

約数和(自身を除く): 399255400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 106751, 213502, 427004, 533755, 854008, 1067510, 2135020, 4270040, 7792823, 15585646, 31171292, 38964115, 62342584, 77928230, 155856460, 311712920]

約数ペア:

[(1, 311712920), (2, 155856460), (4, 77928230), (5, 62342584), (8, 38964115), (10, 31171292), (20, 15585646), (40, 7792823), (73, 4270040), (146, 2135020), (292, 1067510), (365, 854008), (584, 533755), (730, 427004), (1460, 213502), (2920, 106751)]