388640710

素因数分解:

$2^1\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{30869}}^1$

素因数の和:32135

約数の個数: 16

約数和(自身を含む): 700131600

約数和(自身を除く): 311490890

約数列:

[1, 2, 5, 10, 1259, 2518, 6295, 12590, 30869, 61738, 154345, 308690, 38864071, 77728142, 194320355, 388640710]

約数ペア:

[(1, 388640710), (2, 194320355), (5, 77728142), (10, 38864071), (1259, 308690), (2518, 154345), (6295, 61738), (12590, 30869)]