248593160

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{44711}}^1$

素因数の和:44861

約数の個数: 32

約数和(自身を含む): 563371200

約数和(自身を除く): 314778040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 44711, 89422, 178844, 223555, 357688, 447110, 894220, 1788440, 6214829, 12429658, 24859316, 31074145, 49718632, 62148290, 124296580, 248593160]

約数ペア:

[(1, 248593160), (2, 124296580), (4, 62148290), (5, 49718632), (8, 31074145), (10, 24859316), (20, 12429658), (40, 6214829), (139, 1788440), (278, 894220), (556, 447110), (695, 357688), (1112, 223555), (1390, 178844), (2780, 89422), (5560, 44711)]