619220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4423}}^1$

素因数の和:4439

約数の個数: 24

約数和(自身を含む): 1486464

約数和(自身を除く): 867244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4423, 8846, 17692, 22115, 30961, 44230, 61922, 88460, 123844, 154805, 309610, 619220]

約数ペア:

[(1, 619220), (2, 309610), (4, 154805), (5, 123844), (7, 88460), (10, 61922), (14, 44230), (20, 30961), (28, 22115), (35, 17692), (70, 8846), (140, 4423)]