77339720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^2$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 178230780

約数和(自身を除く): 100891060

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 191, 212, 265, 382, 424, 530, 764, 955, 1060, 1528, 1910, 2120, 3820, 7640, 10123, 20246, 36481, 40492, 50615, 72962, 80984, 101230, 145924, 182405, 202460, 291848, 364810, 404920, 729620, 1459240, 1933493, 3866986, 7733972, 9667465, 15467944, 19334930, 38669860, 77339720]

約数ペア:

[(1, 77339720), (2, 38669860), (4, 19334930), (5, 15467944), (8, 9667465), (10, 7733972), (20, 3866986), (40, 1933493), (53, 1459240), (106, 729620), (191, 404920), (212, 364810), (265, 291848), (382, 202460), (424, 182405), (530, 145924), (764, 101230), (955, 80984), (1060, 72962), (1528, 50615), (1910, 40492), (2120, 36481), (3820, 20246), (7640, 10123)]