38761540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 83543040

約数和(自身を除く): 44781500

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 191, 278, 292, 365, 382, 556, 695, 730, 764, 955, 1390, 1460, 1910, 2780, 3820, 10147, 13943, 20294, 26549, 27886, 40588, 50735, 53098, 55772, 69715, 101470, 106196, 132745, 139430, 202940, 265490, 278860, 530980, 1938077, 3876154, 7752308, 9690385, 19380770, 38761540]

約数ペア:

[(1, 38761540), (2, 19380770), (4, 9690385), (5, 7752308), (10, 3876154), (20, 1938077), (73, 530980), (139, 278860), (146, 265490), (191, 202940), (278, 139430), (292, 132745), (365, 106196), (382, 101470), (556, 69715), (695, 55772), (730, 53098), (764, 50735), (955, 40588), (1390, 27886), (1460, 26549), (1910, 20294), (2780, 13943), (3820, 10147)]