913960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 2091240

約数和(自身を除く): 1177280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 313, 365, 584, 626, 730, 1252, 1460, 1565, 2504, 2920, 3130, 6260, 12520, 22849, 45698, 91396, 114245, 182792, 228490, 456980, 913960]

約数ペア:

[(1, 913960), (2, 456980), (4, 228490), (5, 182792), (8, 114245), (10, 91396), (20, 45698), (40, 22849), (73, 12520), (146, 6260), (292, 3130), (313, 2920), (365, 2504), (584, 1565), (626, 1460), (730, 1252)]