398362270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1\times {\mathrm{2143}}^1$

素因数の和:2820

約数の個数: 32

約数和(自身を含む): 743281920

約数和(自身を除く): 344919650

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 641, 1282, 2143, 3205, 4286, 6410, 10715, 18589, 21430, 37178, 62147, 92945, 124294, 185890, 310735, 621470, 1373663, 2747326, 6868315, 13736630, 39836227, 79672454, 199181135, 398362270]

約数ペア:

[(1, 398362270), (2, 199181135), (5, 79672454), (10, 39836227), (29, 13736630), (58, 6868315), (145, 2747326), (290, 1373663), (641, 621470), (1282, 310735), (2143, 185890), (3205, 124294), (4286, 92945), (6410, 62147), (10715, 37178), (18589, 21430)]