280051208

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{347}}^1\times {\mathrm{1277}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 533692800

約数和(自身を除く): 253641592

約数列:

[1, 2, 4, 8, 79, 158, 316, 347, 632, 694, 1277, 1388, 2554, 2776, 5108, 10216, 27413, 54826, 100883, 109652, 201766, 219304, 403532, 443119, 807064, 886238, 1772476, 3544952, 35006401, 70012802, 140025604, 280051208]

約数ペア:

[(1, 280051208), (2, 140025604), (4, 70012802), (8, 35006401), (79, 3544952), (158, 1772476), (316, 886238), (347, 807064), (632, 443119), (694, 403532), (1277, 219304), (1388, 201766), (2554, 109652), (2776, 100883), (5108, 54826), (10216, 27413)]