28945490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1063}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 59754240

約数和(自身を除く): 30808750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 778, 1063, 1945, 2126, 2723, 3890, 5315, 5446, 7441, 10630, 13615, 14882, 27230, 37205, 74410, 413507, 827014, 2067535, 2894549, 4135070, 5789098, 14472745, 28945490]

約数ペア:

[(1, 28945490), (2, 14472745), (5, 5789098), (7, 4135070), (10, 2894549), (14, 2067535), (35, 827014), (70, 413507), (389, 74410), (778, 37205), (1063, 27230), (1945, 14882), (2126, 13615), (2723, 10630), (3890, 7441), (5315, 5446)]