90499220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646423}}^1$

素因数の和:646439

約数の個数: 24

約数和(自身を含む): 217198464

約数和(自身を除く): 126699244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646423, 1292846, 2585692, 3232115, 4524961, 6464230, 9049922, 12928460, 18099844, 22624805, 45249610, 90499220]

約数ペア:

[(1, 90499220), (2, 45249610), (4, 22624805), (5, 18099844), (7, 12928460), (10, 9049922), (14, 6464230), (20, 4524961), (28, 3232115), (35, 2585692), (70, 1292846), (140, 646423)]