294680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 680400

約数和(自身を除く): 385720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 139, 212, 265, 278, 424, 530, 556, 695, 1060, 1112, 1390, 2120, 2780, 5560, 7367, 14734, 29468, 36835, 58936, 73670, 147340, 294680]

約数ペア:

[(1, 294680), (2, 147340), (4, 73670), (5, 58936), (8, 36835), (10, 29468), (20, 14734), (40, 7367), (53, 5560), (106, 2780), (139, 2120), (212, 1390), (265, 1112), (278, 1060), (424, 695), (530, 556)]