2157890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1063}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 4596480

約数和(自身を除く): 2438590

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 1063, 2030, 2126, 5315, 7441, 10630, 14882, 30827, 37205, 61654, 74410, 154135, 215789, 308270, 431578, 1078945, 2157890]

約数ペア:

[(1, 2157890), (2, 1078945), (5, 431578), (7, 308270), (10, 215789), (14, 154135), (29, 74410), (35, 61654), (58, 37205), (70, 30827), (145, 14882), (203, 10630), (290, 7441), (406, 5315), (1015, 2126), (1063, 2030)]