1888557860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13489699}}^1$

素因数の和:13489715

約数の個数: 24

約数和(自身を含む): 4532539200

約数和(自身を除く): 2643981340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13489699, 26979398, 53958796, 67448495, 94427893, 134896990, 188855786, 269793980, 377711572, 472139465, 944278930, 1888557860]

約数ペア:

[(1, 1888557860), (2, 944278930), (4, 472139465), (5, 377711572), (7, 269793980), (10, 188855786), (14, 134896990), (20, 94427893), (28, 67448495), (35, 53958796), (70, 26979398), (140, 13489699)]