420094870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{111431}}^1$

素因数の和:111480

約数の個数: 32

約数和(自身を含む): 842425920

約数和(自身を除く): 422331050

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 111431, 222862, 557155, 1114310, 1448603, 2897206, 3231499, 6462998, 7243015, 14486030, 16157495, 32314990, 42009487, 84018974, 210047435, 420094870]

約数ペア:

[(1, 420094870), (2, 210047435), (5, 84018974), (10, 42009487), (13, 32314990), (26, 16157495), (29, 14486030), (58, 7243015), (65, 6462998), (130, 3231499), (145, 2897206), (290, 1448603), (377, 1114310), (754, 557155), (1885, 222862), (3770, 111431)]