1277950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:492

約数の個数: 24

約数和(自身を含む): 2421720

約数和(自身を除く): 1143770

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 419, 610, 838, 1525, 2095, 3050, 4190, 10475, 20950, 25559, 51118, 127795, 255590, 638975, 1277950]

約数ペア:

[(1, 1277950), (2, 638975), (5, 255590), (10, 127795), (25, 51118), (50, 25559), (61, 20950), (122, 10475), (305, 4190), (419, 3050), (610, 2095), (838, 1525)]