395293840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{761}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 947903616

約数和(自身を除く): 552609776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 151, 172, 215, 302, 344, 430, 604, 688, 755, 761, 860, 1208, 1510, 1522, 1720, 2416, 3020, 3044, 3440, 3805, 6040, 6088, 6493, 7610, 12080, 12176, 12986, 15220, 25972, 30440, 32465, 32723, 51944, 60880, 64930, 65446, 103888, 114911, 129860, 130892, 163615, 229822, 259720, 261784, 327230, 459644, 519440, 523568, 574555, 654460, 919288, 1149110, 1308920, 1838576, 2298220, 2617840, 4596440, 4941173, 9192880, 9882346, 19764692, 24705865, 39529384, 49411730, 79058768, 98823460, 197646920, 395293840]

約数ペア:

[(1, 395293840), (2, 197646920), (4, 98823460), (5, 79058768), (8, 49411730), (10, 39529384), (16, 24705865), (20, 19764692), (40, 9882346), (43, 9192880), (80, 4941173), (86, 4596440), (151, 2617840), (172, 2298220), (215, 1838576), (302, 1308920), (344, 1149110), (430, 919288), (604, 654460), (688, 574555), (755, 523568), (761, 519440), (860, 459644), (1208, 327230), (1510, 261784), (1522, 259720), (1720, 229822), (2416, 163615), (3020, 130892), (3044, 129860), (3440, 114911), (3805, 103888), (6040, 65446), (6088, 64930), (6493, 60880), (7610, 51944), (12080, 32723), (12176, 32465), (12986, 30440), (15220, 25972)]