418570840

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{28513}}^1$

素因数の和:28891

約数の個数: 32

約数和(自身を含む): 944383680

約数和(自身を除く): 525812840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 7340, 14680, 28513, 57026, 114052, 142565, 228104, 285130, 570260, 1140520, 10464271, 20928542, 41857084, 52321355, 83714168, 104642710, 209285420, 418570840]

約数ペア:

[(1, 418570840), (2, 209285420), (4, 104642710), (5, 83714168), (8, 52321355), (10, 41857084), (20, 20928542), (40, 10464271), (367, 1140520), (734, 570260), (1468, 285130), (1835, 228104), (2936, 142565), (3670, 114052), (7340, 57026), (14680, 28513)]