675648890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{76001}}^1$

素因数の和:76142

約数の個数: 32

約数和(自身を含む): 1400868864

約数和(自身を除く): 725219974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8890, 76001, 152002, 380005, 532007, 760010, 1064014, 2660035, 5320070, 9652127, 19304254, 48260635, 67564889, 96521270, 135129778, 337824445, 675648890]

約数ペア:

[(1, 675648890), (2, 337824445), (5, 135129778), (7, 96521270), (10, 67564889), (14, 48260635), (35, 19304254), (70, 9652127), (127, 5320070), (254, 2660035), (635, 1064014), (889, 760010), (1270, 532007), (1778, 380005), (4445, 152002), (8890, 76001)]