280093.0000000

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 15357600

約数和(自身を除く): 7692232

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 359, 628, 718, 1256, 1436, 2669, 2872, 5338, 6103, 10676, 12206, 21352, 24412, 48824, 56363, 112726, 225452, 450904, 958171, 1916342, 3832684, 7665368]

約数ペア:

[(1, 7665368), (2, 3832684), (4, 1916342), (8, 958171), (17, 450904), (34, 225452), (68, 112726), (136, 56363), (157, 48824), (314, 24412), (359, 21352), (628, 12206), (718, 10676), (1256, 6103), (1436, 5338), (2669, 2872)]