1397220340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1\times {\mathrm{2099}}^1$

素因数の和:2592

約数の個数: 48

約数和(自身を含む): 2978337600

約数和(自身を除く): 1581117260

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 401, 415, 802, 830, 1604, 1660, 2005, 2099, 4010, 4198, 8020, 8396, 10495, 20990, 33283, 41980, 66566, 133132, 166415, 174217, 332830, 348434, 665660, 696868, 841699, 871085, 1683398, 1742170, 3366796, 3484340, 4208495, 8416990, 16833980, 69861017, 139722034, 279444068, 349305085, 698610170, 1397220340]

約数ペア:

[(1, 1397220340), (2, 698610170), (4, 349305085), (5, 279444068), (10, 139722034), (20, 69861017), (83, 16833980), (166, 8416990), (332, 4208495), (401, 3484340), (415, 3366796), (802, 1742170), (830, 1683398), (1604, 871085), (1660, 841699), (2005, 696868), (2099, 665660), (4010, 348434), (4198, 332830), (8020, 174217), (8396, 166415), (10495, 133132), (20990, 66566), (33283, 41980)]